The McAlpine Scale Defender Starter Kit is a comprehensive limescale protection system that tackles limescale while protecting your home and your pocket. This small but powerful unit is affordable and safely seals and removes calcium, protecting your boiler, drinking water, appliances, and entire home plumbing system.
What's Included in the Starter Kit
The complete starter kit includes:
Scale Defender unit - Main housing with built-in prefilter
Dosing cartridge - Food-grade polyphosphate cartridge (treats up to 40,000 litres)
15mm connectors - For standard 15mm copper pipe installations
22mm connectors - For standard 22mm copper pipe installations
Why You Need Limescale Protection
Limescale affects your pipework, boiler, radiators, taps, appliances, and fittings and can lead to increased repairs or early replacement costs. A 1mm layer of limescale in your boiler can amount to an extra £150 to £200 in household bills every year according to the Carbon Trust.
McAlpine Scale Defender can save hundreds of pounds as it keeps your heating system more efficient and helps prolong the life of pipes, fittings, and appliances.
Key Features
Treats up to 40,000 litres - Long-lasting cartridge capacity
Protects entire home - Boiler, pipes, radiators, taps, and appliances
Saves money - Reduces energy bills and prevents costly repairs
Food-grade polyphosphate - Safe for drinking water (WHO & FAO approved)
Easy-clean prefilter - No replacement needed, just rinse clean
45-60 minute installation - Quick professional fitting
No ongoing maintenance - Just replace cartridge when needed
15mm and 22mm fittings included - Fits standard UK plumbing
High flow rate - Up to 3000 litres/hour
Wide pressure range - Works from 0.5 to 10 bar
Technical Specifications
Brand: McAlpine
Product Type: Limescale Protection System
Connections: ¾" Male BSP with 15mm & 22mm fittings
Weight: 0.97kg
Working Pressure: 0.5 – 10 Bar
Test Pressure: 25 Bar
Temperature Range: 1°C – 40°C
Water Flow Rate: Maximum 3000 litres/hour
Pressure Loss: Maximum ± 0.3 Bar
Cartridge Capacity: Up to 40,000 litres
Prefilter: Easy clean (no replacement needed)
Standards: BS EN 1212, EC regulations EN 1212
SKU: K33100
How It Works
The Scale Defender uses food-grade polyphosphate to treat your water supply. As water passes through the unit, the polyphosphate creates a protective coating on pipes and heating elements, preventing limescale from forming and gradually removing existing scale deposits. This keeps your system running efficiently and protects all downstream appliances and fittings.
What is Polyphosphate?
Polyphosphate is a food-grade (consumable) product approved by the World Health Organization and Food and Agricultural Organization. It is widely used today in the food processing industry for cheese, meat, wine, and other products.
McAlpine Scale Defender technology is a completely safe way to treat water in the home and is safe for human consumption according to WHO and FAO recommendations and in accordance with international norms for drinking water to EC regulations, standard EN 1212 and British Standard BS EN 1212.
Easy to Fit
McAlpine Scale Defender should be fitted by a qualified plumber, but at between 45–60 minutes to fit, it should only be an hour's call out. The kit includes both 15mm and 22mm connectors for compatibility with standard UK copper pipe installations. Thereafter, it is easy to replace the cartridges, and the system requires no ongoing maintenance.
Perfect For
Hard water areas with limescale problems
Protecting boilers and heating systems
Extending appliance lifespan (washing machines, dishwashers, kettles)
Reducing energy bills and improving efficiency
New build installations
Renovation projects
Homes with expensive boiler systems
Properties with combination boilers
Landlords protecting rental property investments
Cost Savings
By preventing limescale build-up, the Scale Defender helps you save money in multiple ways:
Reduced energy bills (limescale reduces boiler efficiency)
Extended boiler lifespan (prevents scale damage)
Fewer appliance repairs and replacements
Reduced plumbing maintenance costs
Better water flow and pressure
Investment protection: At a fraction of the cost of boiler repairs or replacement, the Scale Defender pays for itself through energy savings and extended equipment life.
Replacement Ceramic Tap Cartridges & Finder Tool
Choose from high-quality replacement ceramic disc cartridges or the essential finder tool to identify your tap's spline type. Perfect for restoring smooth, drip-free operation to your bathroom or kitchen taps.
Choose Your Option
1 Pair of 1/4 Turn Ceramic Cartridges – Hot and cold quarter-turn ceramic disc cartridges (1/2" BSP)
Metal Finder Tool – Metal plate tool to identify your tap's spline type before ordering
Key Features
Universal 1/2" BSP fitting – Compatible with most standard UK tap assemblies
Durable ceramic disc technology – Long-lasting, reliable performance
Sold as matched pairs – One hot, one cold cartridge per pair
Easy DIY installation – No plumber required for most tap models
Quality KeyPlumb engineering – Precision-manufactured for perfect fit
Specifications
Size: 1/2" BSP thread
Type: 1/4 turn ceramic disc or standard valve
Material: Ceramic disc with brass body
Suitable for: Basin taps, bath taps, kitchen taps
Why Choose KeyPlumb?
KeyPlumb ceramic cartridges are engineered for reliability and longevity. The precision-ground ceramic discs ensure smooth operation and watertight sealing. Use the finder tool to identify your exact spline type before ordering the correct replacement cartridges.
Premium 1/2" Standard Replacement Tap Cartridges
High-quality replacement cartridges designed for standard 1/2" taps. Perfect for restoring smooth operation to dripping or stiff taps in your bathroom or kitchen.
What's Included
Pair of Standard 1/2" Valves - One hot and one cold cartridge for complete tap repair
Metal Size Finder Tool - Professional-grade metal plate tool to accurately identify your spline type before installation
Key Features
Standard 1/2" size fits most UK bathroom and kitchen taps
Durable construction for long-lasting performance
Easy DIY installation with included finder tool
Eliminates drips and restores smooth tap operation
Compatible with major tap brands
Why Choose These Cartridges?
Stop wasting water and money on dripping taps. Our replacement cartridges restore your taps to like-new condition, providing smooth, reliable operation for years to come. The included metal finder tool ensures you get the perfect fit first time.
Specifications
Size: 1/2" standard
Type: Ceramic disc cartridge
Quantity: 2 valves (hot & cold pair)
Includes: Metal spline finder tool
💷 PROFESSIONAL VALUE: Save £71 - Was £220, Now Only £149 (32% Off) 💷
The KeyPlumb Professional Tap Cartridge Box Kit is the ultimate solution for plumbers, maintenance engineers, and property managers. This comprehensive kit contains 23 pairs of the most commonly required tap cartridges (46 cartridges total), covering both ceramic disc quarter-turn and traditional full-turn mechanisms. Complete with a FREE cartridge size finder tool and organized storage box, this kit ensures you always have the right replacement cartridge on hand.
Key Features & Benefits
23 Pairs of Cartridges – 46 individual cartridges covering the most common tap types
FREE Cartridge Finder Tool – Quickly identify the correct cartridge size and type
Organized Storage Box – Handy carry case with clear cartridge labelling for easy identification
Brass Headed Construction – Premium quality tap cartridges for reliable, long-lasting performance
Hot & Cold Identification – Ceramic disc cartridges clearly marked for correct installation
Refillable System – Easily replenish individual cartridges as needed
Complete Coverage – Includes both 1/2" full-turn and ceramic disc quarter-turn cartridges
Professional Grade – Trusted by plumbers and maintenance professionals
What's Included
1/2" Standard Full-Turn Cartridges (6 pairs / 12 cartridges):
UC1 - Standard full-turn cartridge
UC2 - Standard full-turn cartridge
UC3 - Standard full-turn cartridge
UC4 - Standard full-turn cartridge
UC5 - Standard full-turn cartridge
UC6 - Standard full-turn cartridge
1/2" Ceramic Disc 1/4 Turn Cartridges (17 pairs / 34 cartridges):
TC1 through TC17 - Comprehensive range of ceramic disc quarter-turn cartridges
Hot and cold identification markings included
Covers most major tap brands and models
Bonus Items:
FREE Cartridge Size Finder Tool
Organized storage carry box
Clear labelling system for quick identification
Technical Specifications
Manufacturer: KeyPlumb
Total Cartridges: 46 (23 pairs)
Full-Turn Cartridges: 6 pairs (UC1-UC6)
Ceramic Disc Cartridges: 17 pairs (TC1-TC17)
Thread Size: 1/2" BSP (standard UK size)
Cartridge Head Material: Brass
Ceramic Disc Type: Quarter-turn (90°)
Full-Turn Type: Multi-turn traditional
Hot/Cold Marking: Yes (ceramic disc cartridges)
Storage: Labelled carry box included
Finder Tool: Included (FREE)
SKU: K21000
Cartridge Types Explained
Ceramic Disc Cartridges (Quarter-Turn): Modern tap mechanism that operates with a 90° turn from off to full flow. Two ceramic discs slide over each other to control water flow. These are found in most contemporary taps manufactured from the 1990s onwards. Durable, reliable, and provide smooth, drip-free operation.
Full-Turn Cartridges (Traditional): Classic tap mechanism requiring multiple turns to open and close. These use rubber washers or seals and are found in traditional taps and older installations. The UC series covers the most common full-turn cartridge sizes and configurations.
How to Use the Cartridge Finder Tool
The included cartridge finder tool allows you to quickly identify the correct replacement cartridge without removing the old one. Simply measure the cartridge dimensions using the finder tool, match to the reference chart, and select the corresponding cartridge from your kit. This saves time on-site and ensures first-time-right replacements.
Applications & Use Cases
Perfect for professional plumbers, maintenance engineers, property managers, landlords with multiple properties, facilities management teams, hotels, care homes, schools, commercial buildings, and anyone responsible for maintaining multiple taps. The comprehensive range ensures you can handle most tap repair jobs without return trips for parts.
Why Choose This Kit?
Instead of purchasing individual cartridges at £5-£15 each (which would cost £230-£690 for this quantity), this kit provides exceptional value at £149. The organized storage system keeps cartridges protected and easily identifiable, while the refillable box design means you can replenish individual types as they're used. The FREE cartridge finder tool alone is worth £15-£20.
Refilling & Maintenance
The storage box is designed for long-term use. As you use cartridges from the kit, simply order individual replacement cartridges to refill the specific compartments. The labelling system ensures you always know which cartridge types need replenishing. This makes the kit a sustainable, long-term solution for tap maintenance.
Compatibility
These cartridges are compatible with most major tap brands including Bristan, Grohe, Hansgrohe, Ideal Standard, Armitage Shanks, Crosswater, Vado, and many others. The comprehensive range covers approximately 85-90% of common tap cartridge requirements in UK properties. Always check your existing cartridge type before installation.
Installation Tips
Always turn off water supply before replacing cartridges. Note the orientation of the old cartridge (hot/cold marking). Clean the cartridge housing before installing the new cartridge. Hand-tighten only - do not over-tighten as this can damage the brass threads. Test for leaks before fully reassembling the tap.
About KeyPlumb
KeyPlumb specializes in professional plumbing solutions, providing quality replacement parts and tools trusted by trade professionals across the UK. Their cartridge kits are engineered to professional standards with brass construction and precise manufacturing for reliable, leak-free performance.
Perfect for: Professional plumbers, maintenance engineers, property managers, landlords, facilities management teams, hotels, care facilities, and anyone responsible for maintaining multiple taps across residential or commercial properties.
🔧 COMPLETE PROFESSIONAL SOLUTION: 46 Cartridges + FREE Finder Tool + Storage Box - Save £71 🔧
Talon Snappit Radiator Pipe Covers 15mm x 200mm - Chrome Finish (Pack of 10)
Transform unsightly copper pipework with Snappit rigid pipe covers from Talon. This professional chrome-effect finishing solution clips directly onto 15mm radiator pipes—no painting, no mess, just instant improvement to your heating installation.
Key Features
Pack of 10 x 200mm chrome pipe covers
15mm diameter - fits standard UK radiator pipes
Chrome effect finish - polished, professional appearance
Clip-on installation - no tools or adhesive required
Rigid polypropylene - durable, long-lasting material
Made in Britain - quality UK manufacturing
Product Specifications
Product Code: ACSNC/10
Colour: Chrome
Material: Polypropylene
Pipe Size: 15mm
Length per Cover: 200mm
Quantity: 10 pieces per pack
Application: Radiator pipes and visible copper pipework
Barcode: 5060002353523
Why Choose Snappit Pipe Covers?
Snappit offers the fastest, cleanest alternative to painting radiator pipes. Simply snap the covers onto your pipework for an instant professional finish that enhances any bathroom, kitchen, or heating installation. Perfect for plumbers, heating engineers, and DIY enthusiasts.
Professional chrome radiator valve pipe sleeve kit designed to provide a polished, uniform finish for your heating installation. This complete pair includes both 300mm and 130mm sleeves plus matching 45mm floor plates.
Key Features
Premium Chrome Finish: High-quality chrome plating on both sleeves and floor plates for lasting shine and corrosion resistance
Dual Length Options: Includes 300mm and 130mm long sleeves to accommodate different installation heights
Perfect Fit: 18mm internal diameter designed to fit neatly over standard 15mm copper pipework
Complete Kit: Pair of sleeves with matching 45mm diameter floor plates for a coordinated, professional appearance
Easy Installation: Simple slip-on design conceals unsightly pipework and protects against damage
Technical Specifications
Material: Chrome-plated steel
Sleeve lengths: 300mm and 130mm
Internal diameter: 18mm (fits 15mm copper pipe)
Floor plate diameter: 45mm
Finish: Polished chrome
Quantity: 1 pair (2 sleeves + 2 floor plates)
Why Choose This Pipe Sleeve Kit?
Transform exposed radiator pipework from an eyesore into a design feature. These chrome sleeves provide the finishing touch that elevates your heating installation from functional to refined, perfectly complementing modern radiator valves and bathroom or living space aesthetics.
Compatibility
Suitable for use with all standard 15mm copper radiator pipe installations. Ideal for pairing with chrome radiator valves to create a cohesive, premium look throughout your heating system.
Premium Matt Black Thermostatic Radiator Valve Pack
The Kartell Designer Twin TRV and Lockshield Pack in Matt Black delivers precision temperature control with contemporary styling. This angled valve set is engineered for 15mm pipework installations and features reversible flow for flexible fitting.
Key Features & Benefits
Thermostatic Control: Precise temperature regulation with TRV and lockshield valve included
Premium Matt Black Finish: Durable powder-coated finish complements modern bathroom and heating aesthetics
Reversible Flow Design: Flexible installation for left or right-hand radiator connections
Standard 15mm Compatibility: Fits 15mm copper pipework through wall or floor
Professional Connections: 15mm x 1/2 inch BSPT threaded connections for secure fitting
Easy Installation: Straightforward fitting process for trade and DIY installers
Contemporary Design: Sleek angular profile enhances modern interiors
Technical Specifications
Valve Type: Angled thermostatic radiator valve with lockshield
Finish: Matt Black powder coat
Pipe Size: 15mm
Connection: 1/2 inch BSPT
Flow: Reversible
Brand: Kartell UK
SKU: BK-TRV301A
Barcode: 5055681440121
What's Included
1 x Thermostatic Radiator Valve (TRV)
1 x Lockshield Valve
Installation accessories
Ideal for: Modern bathrooms, designer radiators, contemporary heating systems, black bathroom fixtures, luxury home renovations.
Complete dual fuel radiator valve kit featuring premium brass construction for reliable, long-lasting performance in your heating system.
What's Included
1 x Straight radiator valve (15mm)
1 x Angled radiator valve (15mm)
Brass construction with chrome finish
15mm x 1/2 inch BSPT connections
Key Features
Dual fuel compatibility - Works with central heating and electric heating elements
Versatile installation - Suitable for 15mm pipework
Durable brass construction - Corrosion-resistant for years of reliable service
Contemporary design - Clean, modern aesthetic complements any bathroom or room décor
Easy installation - Standard BSPT connections for straightforward fitting
Technical Specifications
Connection size: 15mm x 1/2 inch BSPT
Material: Brass with chrome finish
Application: Dual fuel radiators and towel rails
Ideal for connecting dual fuel radiators and heated towel rails to your heating system. The Kartell dual fuel valve set provides professional-quality components at an exceptional value.
Premium Kartell Anthracite Angled Radiator Valve - the perfect finishing touch for your modern heating system. Designed for 15mm pipework with a sleek contemporary anthracite finish that complements any radiator style.
Key Features:
Angled valve design - ideal for wall-mounted radiator installations
15mm pipework compatibility - standard UK fitting size
Durable brass construction - built to last with corrosion-resistant materials
Contemporary anthracite finish - stylish matte coating that won't fade
Easy DIY installation - straightforward fitting with standard tools
Universal compatibility - works with all standard UK radiators
Product Specifications:
Brand: Kartell
Model: ANTH-ANG
Finish: Anthracite (matte black)
Connection Size: 15mm
Valve Type: Angled
Material: Solid brass body
Barcode: 5055681434359
Transform your radiator installation with these premium quality valves that combine functionality with modern aesthetics. Perfect for bathroom, kitchen, or living room radiators.
Premium Kartell angled radiator valves designed for modern heating systems with durable brass construction and contemporary styling.
Key Features
15mm x 1/2 inch BSPT connections - Compatible with standard UK pipework
Durable brass construction - Long-lasting, corrosion-resistant material
Angled design - Perfect for wall-mounted radiators and space-saving installations
Easy installation - Quick-fit design for professional or DIY fitting
Contemporary finish - Complements modern bathroom and heating aesthetics
Technical Specifications
Connection size: 15mm x 1/2" BSPT
Material: Brass
Type: Angled radiator valve
SKU: KART-ANG
Barcode: 5060168220691
Why Choose Kartell Radiator Valves?
Kartell is a trusted name in heating solutions, offering reliable, high-quality components for residential and commercial applications. These angled valves provide precise flow control and are built to last, ensuring your heating system operates efficiently for years to come.
The Kartell Modern Straight Radiator Valves offer a sleek, contemporary solution for connecting radiators to your central heating system. Crafted from durable brass with a premium finish, these straight valves are designed for 15mm pipework and feature 1/2 inch BSPT threaded connections for secure, leak-free installation.
Key Features & Benefits
15mm Pipework Compatible – Designed for standard UK 15mm copper or plastic barrier pipe
1/2" BSPT Threaded Connection – British Standard Pipe Taper ensures secure radiator connection
Durable Brass Construction – Corrosion-resistant brass body for long-lasting performance
Straight Configuration – Ideal when pipework enters from the wall directly in line with radiator tails
Contemporary Design – Clean, modern aesthetic complements any radiator style
Easy Installation – Straightforward fitting with standard plumbing tools
Reliable Performance – Engineered for consistent flow control and durability
Kartell Quality – Trusted UK brand known for reliable heating products
Technical Specifications
Manufacturer: Kartell
Type: Straight radiator valve (pair)
Pipe Connection: 15mm compression fitting
Radiator Connection: 1/2 inch BSPT (British Standard Pipe Taper)
Material: Brass body
Configuration: Straight (inline)
Suitable For: Central heating radiators
Barcode: 5060168220684
SKU: KART-STR
What's Included
2 x Straight radiator valves (pair)
Compression fittings for 15mm pipe
Installation instructions
When to Use Straight Valves
Straight radiator valves are used when your central heating pipes enter the room from the wall and run directly in line with the radiator inlet/outlet tails. This is common in modern installations where pipes are concealed within walls or run along skirting boards. If your pipes come up from the floor, you would typically need angled valves instead.
Installation & Compatibility
These valves connect to 15mm copper or plastic barrier pipe using compression fittings (included) and screw directly onto radiator tails with 1/2" BSPT threads. Compatible with all standard UK radiators including panel radiators, column radiators, designer radiators, and towel rails. Professional installation recommended, though suitable for competent DIY with basic plumbing knowledge.
Applications
Perfect for new radiator installations, radiator replacements, central heating upgrades, bathroom renovations, kitchen refits, and commercial heating projects. Ideal for residential homes, rental properties, offices, hotels, and care facilities.
Maintenance & Care
Once installed, these valves require minimal maintenance. Wipe clean with a damp cloth as needed. Check compression fittings annually for any signs of weeping and tighten if necessary. Do not overtighten during installation as this may damage the olive seal.
Why Choose Kartell?
Kartell is a trusted UK manufacturer of quality heating and plumbing products, known for reliable performance, thoughtful design, and excellent value. Their radiator valves are engineered to professional standards and widely used by plumbers and heating engineers across the UK.
Perfect for: Plumbers, heating engineers, property developers, landlords, and homeowners installing or replacing radiators with straight pipe configurations.
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The Fluidmaster Pro Ultra Universal Dual Flush Syphon is the professional's choice for reliable, water-efficient toilet cistern performance. This ultra-compact syphon fits virtually all 1.5" lever-operated cisterns, making it the versatile solution for installations, replacements, and upgrades across residential and commercial properties.
Key Features & Benefits
Universal Compatibility – Fits virtually all 1.5" lever-operated cisterns
Dual Flush Water Saving – Full and partial flush volume adjustability for optimal water efficiency
Rapid Height Adjustment – Quick setup with 7.5–9.5 inch (190–241mm) adjustable range
Long-Lasting Butterfly Diaphragm – Unique design ensures reliable, quiet operation
Twin Flow Cap Design – Optimised performance with anti-turbulence outlet
Easy Installation & Servicing – Removable parts for quick maintenance
Retrofit Compatible – Replaces Turbo 88, Turbo S44R, and S1-11 syphons
Ultra-Compact Design – Fits tight spaces and low-profile cisterns
What's Included
Fluidmaster Pro Ultra dual flush syphon body
Butterfly diaphragm mechanism
Twin flow cap with anti-turbulence outlet
Height adjustment components
Installation instructions
Technical Specifications
Manufacturer: Fluidmaster
Model: Pro Ultra Universal
Fitting Size: 1.5" (38mm)
Height Range: 7.5–9.5 inches (190–241mm)
Operation: Lever-operated dual flush
Flush Type: Full flush and partial flush (adjustable volumes)
Diaphragm: Butterfly design for long-lasting performance
Flow Cap: Twin flow design with anti-turbulence outlet
Compatibility: Virtually all 1.5" lever-operated cisterns
Retrofit: Replaces Turbo 88, Turbo S44R, S1-11
Barcode: 5011629016544
SKU: K96069
How to Use Dual Flush
The dual flush operation provides water-saving flexibility:
Partial Flush: Depress lever and hold for reduced water volume – ideal for liquid waste
Full Flush: Depress lever and release for complete flush cycle – for solid waste
This user-controlled dual flush system allows occupants to choose the appropriate flush volume, reducing water consumption by up to 50% compared to single-flush cisterns.
Universal Compatibility Explained
The Pro Ultra is designed to fit virtually all 1.5" (38mm) lever-operated cisterns, including:
Close-coupled toilets
Low-level cisterns
High-level cisterns
Concealed cisterns (where accessible)
Most UK toilet brands and models
The adjustable height range (190–241mm) ensures compatibility with different cistern depths, making this a true universal replacement syphon.
Butterfly Diaphragm Technology
The unique butterfly diaphragm design offers significant advantages over traditional syphon mechanisms:
Longer Lifespan: Durable construction resists wear and degradation
Quieter Operation: Smooth action reduces flushing noise
Reliable Performance: Consistent flush power over years of use
Easy Replacement: Diaphragm can be replaced without removing entire syphon
Reduced Maintenance: Fewer moving parts mean less to go wrong
Twin Flow Cap with Anti-Turbulence Outlet
The innovative twin flow cap design optimizes water flow for efficient, powerful flushing:
Dual water channels maximize flow rate
Anti-turbulence outlet prevents water swirl and air lock
Improved flush performance with less water
Reduces flush time for faster cistern refill
Rapid Height Adjustment
The quick-adjust height mechanism allows fast, tool-free adjustment between 7.5" and 9.5" (190–241mm). This feature:
Speeds up installation time
Ensures perfect fit in different cistern depths
Eliminates need for cutting or modification
Allows fine-tuning for optimal flush performance
Retrofit Compatibility
This syphon is a direct replacement for several popular models:
Turbo 88: Direct replacement with improved performance
Turbo S44R: Upgrade to dual flush water saving
S1-11: Modern replacement with enhanced reliability
If you're replacing an old or worn syphon, the Pro Ultra offers improved performance, water savings, and easier maintenance.
Applications & Use Cases
Residential Bathrooms: Replace worn or faulty syphons
Rental Properties: Upgrade to water-saving dual flush
Commercial Installations: Hotels, offices, restaurants
New Builds: Specify for reliable, efficient performance
Renovations: Modernize existing toilet cisterns
Maintenance Contracts: Stock for quick repairs and replacements
Installation Guide
Turn Off Water: Shut off water supply to cistern
Drain Cistern: Flush toilet to empty cistern completely
Remove Old Syphon: Disconnect flush lever and remove old syphon
Adjust Height: Set Pro Ultra to required height (7.5–9.5")
Install Syphon: Position in cistern and secure with backnut
Connect Lever: Attach flush lever to syphon mechanism
Test Operation: Turn water back on and test both flush modes
Adjust if Needed: Fine-tune height or flush volumes as required
Water Savings
Dual flush syphons can reduce household water consumption significantly:
Up to 50% reduction in toilet water use
Average family saves 20,000–30,000 litres annually
Reduces water bills and environmental impact
Meets water efficiency building regulations
Maintenance & Servicing
The Pro Ultra is designed for easy maintenance:
Removable Parts: Diaphragm and flow cap can be removed for cleaning or replacement
No Special Tools: Standard tools sufficient for all servicing
Spare Parts Available: Replacement diaphragms and components readily available
Long Service Life: Quality construction minimizes maintenance requirements
Troubleshooting Common Issues
Weak Flush: Check diaphragm condition, adjust height, ensure lever operates fully
Continuous Running: Check diaphragm seal, ensure proper seating
Noisy Operation: Check for debris, ensure anti-turbulence outlet is clear
Partial Flush Not Working: Verify lever hold-down operation, check diaphragm
Why Choose Fluidmaster?
Fluidmaster is a world-leading manufacturer of toilet cistern components, trusted by plumbers and professionals globally. Their Pro range represents the pinnacle of reliability, innovation, and ease of installation. With decades of engineering expertise, Fluidmaster products deliver consistent performance and long service life.
About the Vendor
This product is supplied by Bubblegum Bathrooms, ensuring genuine Fluidmaster quality with fast UK delivery and expert customer support.
Perfect for: Professional plumbers, bathroom fitters, property maintenance teams, landlords, facilities managers, and competent DIY enthusiasts seeking a reliable, water-efficient, universal-fit dual flush syphon for toilet cistern installations and replacements.
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Fluidmaster PRO400UK 1/2" Bottom Entry Fill Valve - Professional GradeProfessional-grade Fluidmaster PRO400UK bottom entry fill valve preferred by professional plumbers. Featuring ultra-quiet operation, height adjustable design (230-355mm), fast refill, minimal water hammer, and anti-siphon protection. Built for long-life performance in demanding applications, this 1/2" bottom entry ball valve delivers reliable, quiet operation for toilet cistern installations.Key Features:
Professional-grade quality
Preferred by professional plumbers
Ultra-quiet operation
Height adjustable: 230-355mm
1/2" bottom entry connection
Fast refill performance
Minimal water hammer
Long-life performance
Anti-siphon design
Prevents water supply contamination
Product Specifications
Type: Bottom Entry Fill Valve
Connection Size: 1/2"
Height Range: 230-355mm (adjustable)
Operation: Ball valve mechanism
Features: Ultra-quiet, fast refill, anti-siphon
Grade: Professional
Brand: Fluidmaster
Model: PRO400UK
SKU: K07075
Preferred by Professional Plumbers:Trusted by professionals for demanding installations:
Professional-grade construction
Reliable performance
Industry-preferred quality
Proven in professional applications
Trusted Fluidmaster brand
Ultra-Quiet Operation:Engineered for whisper-quiet performance:
Minimal noise during filling
Quiet operation
Reduces bathroom noise
Ideal for residential installations
Peaceful operation
Height Adjustable 230-355mm:Versatile height adjustment for various cistern sizes:
Adjustable from 230mm to 355mm
Fits most standard cisterns
Easy height customization
Flexible installation
Accommodates different cistern depths
Fast Refill Performance:Efficient water delivery:
Quick cistern refill
Efficient water flow
Reduces waiting time between flushes
Optimal performance
Minimal Water Hammer:Engineered to reduce water hammer:
Smooth valve closure
Protects plumbing system
Reduces pipe stress
Quiet shut-off
Extended system life
Anti-Siphon Design:Protects water supply from contamination:
Prevents backflow
Protects drinking water supply
Compliant with water regulations
Safe, hygienic operation
Peace of mind
Long-Life Performance:Built for durability and reliability:
Quality construction
Long-lasting components
Reliable operation
Reduced maintenance
Professional-grade durability
Perfect For:
Professional plumbing installations
Replacing worn fill valves
Toilet cistern repairs
New cistern installations
Upgrading to quiet operation
Residential and commercial applications
What's Included:
Fluidmaster PRO400UK 1/2" bottom entry fill valve
Installation instructions
Important Notes:
Connection: 1/2" bottom entry
Height: Adjustable 230-355mm
Installation: Professional installation recommended
Compatibility: Standard toilet cisterns
Why Choose Fluidmaster PRO400UK?The Fluidmaster PRO400UK combines professional-grade quality with ultra-quiet operation, preferred by professional plumbers for reliable performance. Featuring height adjustability (230-355mm), fast refill, minimal water hammer, and anti-siphon protection, this 1/2" bottom entry fill valve delivers long-life performance for demanding toilet cistern installations. Trust the brand professionals choose for quiet, efficient, and reliable operation.
Kartell Bar Shower Fast Fix Bracket Pair – Chrome | Brass | WRAS Approved
Mount your Kartell bar shower quickly and securely with this genuine Kartell Fast Fix Bracket Pair. The innovative quick-fit design significantly reduces installation time compared to traditional brackets, while solid brass construction and a polished chrome finish ensure long-lasting durability. WRAS approved and backed by a 5-year guarantee.
Key Features
Fast-fix design — quick, straightforward installation, reduces fitting time
Solid brass construction — superior strength and corrosion resistance
Polished chrome finish — durable, tarnish-resistant, easy to clean
Universal Kartell compatibility — fits all Kartell bar shower systems
WRAS approved — meets UK water regulations
Supplied as a pair — complete set for a full bar shower installation
5-year manufacturer’s guarantee
Technical Specification
Brand: Kartell
Material: Brass
Finish: Chrome plated
Quantity: Pair (2 brackets)
Compatibility: All Kartell bar shower systems
Certification: WRAS approved
Weight: 0.3 kg
Guarantee: 5 years
SKU: SHO100FF
Barcode: 5055681419080
What’s Included
2 × Kartell fast fix brackets (pair)
Mounting fixings and screws
Installation instructions
Frequently Asked Questions
Which Kartell bar showers are these compatible with?
These brackets are designed to fit all Kartell bar shower systems, including exposed, thermostatic and mixer bar showers. If you’re unsure about compatibility with your specific model, contact us at customerservice@bubblegumbathrooms.co.uk and we’ll confirm.
What does ‘fast fix’ mean?
The fast-fix design allows for quick bracket positioning before final securing, significantly reducing installation time compared to traditional brackets. All fixings are included.
Are these genuine Kartell parts?
Yes — these are genuine Kartell brackets supplied by an approved Kartell retailer, backed by the full 5-year manufacturer’s guarantee.
Can I order if the item shows as out of stock?
Yes — we can still accept your order even if the item shows as out of stock. We will fulfil it as soon as stock becomes available. If you have any questions about lead times, please contact us at customerservice@bubblegumbathrooms.co.uk.
Do you need help choosing?
Our team is happy to help. Get in touch at customerservice@bubblegumbathrooms.co.uk and we’ll advise on the best option for your shower.
When you need to isolate a hot water supply quickly and confidently, the colour of the handle matters. The KeyPlumb 15mm Hot Water Butterfly Ball Valve features a red handle — the universally recognised identifier for hot water lines — so there’s never any ambiguity during installation, maintenance, or an emergency shut-off. A single quarter-turn is all it takes to go from fully open to fully closed. WRAS approved and BS EN331 compliant, this is a valve you can fit and forget.
Available in packs of 1, 2, or 5 — ideal whether you’re doing a single tap replacement or fitting out a full bathroom or kitchen.
Key Features
WRAS Approved — meets UK Water Regulations Advisory Scheme requirements; suitable for use on mains water supplies
BS EN331 Compliant — manufactured to the European standard for ball valves for gas and other fluids
Red Handle — universally recognised hot water identification; eliminates confusion between hot and cold supplies
Full Bore Design — unrestricted flow path maintains system pressure and flow rate
Quarter-Turn Operation — fast, positive open/close action; handle position gives instant visual confirmation of valve state
Nickel-Plated Brass Body — corrosion-resistant construction for long-term reliability in hot water systems
15mm Compression Fitting — compatible with standard UK 15mm copper and plastic pipe systems
PN25 Rated — working pressure up to 25 bar; suitable for all standard domestic and commercial plumbing applications
Temperature Range −10°C to +85°C — suitable for hot and cold water systems
Available in Packs of 1, 2 or 5 — buy the quantity you need at a better per-unit price
Technical Specification
Size
15mm
Connection Type
Compression
Valve Type
Butterfly Ball Valve
Bore
Full Bore
Operation
Quarter-Turn Lever
Handle Colour
Red (Hot Water)
Body Material
Nickel-Plated Brass
Working Pressure
PN25 (25 bar)
Temperature Range
−10°C to +85°C
Approvals
WRAS Approved, BS EN331
SKU (x1)
K55581
SKU (x2)
K55581*2
SKU (x5)
K55581*5
Brand
KeyPlumb
Complete Your Valve Range
15mm Cold Water Butterfly Ball Valve – Blue Handle — the matching cold water companion; WRAS approved, same full bore design
KeyPlumb 15mm Full Bore Isolation Valve – Chrome — chrome-plated brass isolation valve, WRAS approved, for a smarter finish
Straight Isolation Valve – Chrome 15mm (WRAS) — straight-pattern chrome isolation valve for tight spaces
15mm Chrome Isolation Valve – Flat Face Compression — flat face compression fitting with ½” BSP thread
15mm Chrome Lever Isolation Valve – Black Handle — CxC compression lever valve with contemporary black handle
KeyPlumb 15mm Electrolytic Scale Reducer — inline scale reducer for 15mm pipework; protects valves and appliances from limescale
Frequently Asked Questions
What is the difference between the red and blue handle versions?
The red handle version (this product) is for hot water lines; the blue handle version is for cold water lines. Both are identical in specification — the colour coding is a standard plumbing convention to prevent confusion during installation and maintenance.
Can I order if the item shows as out of stock?
Yes — we can fulfil this product even when stock shows as zero. Place your order as normal and we’ll confirm lead time with you.
Is this valve suitable for mains pressure systems?
Yes — the valve is rated to PN25 (25 bar working pressure), which is well above typical UK mains pressure. It is WRAS approved for use on mains water supplies.
Does this work with plastic (push-fit) pipe as well as copper?
This valve uses a standard 15mm compression fitting. It is compatible with 15mm copper pipe. For use with plastic pipe, ensure you use the appropriate insert/liner within the compression fitting. If in doubt, contact us for advice.
Why buy a pack of 5?
The pack of 5 offers a better per-unit price and is ideal for trade use, full bathroom or kitchen fits, or keeping spares on hand. The per-valve cost reduces significantly at the 5-pack quantity.
Is professional installation required?
While this valve is straightforward to install for a competent DIYer, we recommend professional installation to ensure compliance with building regulations and to maintain any relevant warranties on connected appliances.
The cold water companion to the red handle hot water valve — same proven full-bore butterfly design, same WRAS approval, same quarter-turn simplicity. The KeyPlumb 15mm Cold Water Butterfly Ball Valve features a blue handle for instant cold water identification, eliminating any risk of confusion during installation or maintenance. Nickel-plated brass construction, PN25 pressure rating, and BS EN331 compliance make this a valve you can specify with confidence. Available in packs of 1, 2, or 5.
Key Features
WRAS Approved — meets UK Water Regulations Advisory Scheme requirements; suitable for use on mains potable water supplies
BS EN331 Compliant — manufactured to the European standard for ball valves
Blue Handle — universally recognised cold water identification; industry-standard colour coding (blue = cold, red = hot)
Full Bore Design — unrestricted flow path; no pressure drop or flow restriction when fully open
Quarter-Turn Operation — fast, positive 90° open/close; lever position gives instant visual confirmation of valve state
Nickel-Plated Brass Body — corrosion-resistant construction for long-term reliability
15mm Compression Fitting — compatible with standard UK 15mm copper and plastic pipe systems
PN25 Rated — 25 bar working pressure; well above typical UK mains pressure
Temperature Range −10°C to +85°C — suitable for all cold water and low-temperature applications
Available in Packs of 1, 2 or 5 — buy the quantity you need at a better per-unit price
Technical Specification
Size
15mm
Connection Type
Compression (both ends)
Valve Type
Butterfly Ball Valve
Bore
Full Bore
Operation
Quarter-Turn Lever (90°)
Handle Colour
Blue (Cold Water)
Body Material
Nickel-Plated Brass
Working Pressure
PN25 (25 bar)
Temperature Range
−10°C to +85°C
Approvals
WRAS Approved, BS EN331
SKU (x1)
K55582
SKU (x2)
K55582*2
SKU (x5)
K55582*5
Brand
KeyPlumb
Complete Your Valve Range
15mm Hot Water Butterfly Ball Valve – Red Handle (WRAS) — the matching hot water companion; identical spec with red handle identification
KeyPlumb 15mm Full Bore Isolation Valve – Chrome (WRAS) — chrome-plated brass isolation valve for a smarter finish
Straight Isolation Valve – Chrome 15mm (WRAS) — straight-pattern WRAS approved chrome isolation valve
15mm Chrome Isolation Valve – Flat Face Compression — flat face compression with ½” BSP thread
15mm Chrome Lever Isolation Valve – Black Handle — CxC compression lever valve with contemporary black handle
KeyPlumb 15mm Electrolytic Scale Reducer — inline scale reducer to protect valves and appliances from limescale
Frequently Asked Questions
What is the difference between the blue and red handle versions?
The blue handle version (this product) is for cold water lines; the red handle version is for hot water lines. Both are identical in specification — the colour coding is a standard plumbing convention to prevent confusion during installation and maintenance.
Can I order if the item shows as out of stock?
Yes — we can fulfil this product even when stock shows as zero. Place your order as normal and we’ll confirm lead time with you.
Is this valve suitable for mains pressure systems?
Yes — the valve is rated to PN25 (25 bar), well above typical UK mains pressure of 3–5 bar. It is WRAS approved for use on mains potable water supplies.
Does this work with plastic pipe as well as copper?
This valve uses a standard 15mm compression fitting, compatible with 15mm copper pipe. For plastic pipe, use the appropriate insert/liner within the compression fitting to prevent the olive from crushing the pipe wall.
Can this valve be used on a hot water supply?
Technically yes — the temperature rating of −10°C to +85°C covers most domestic hot water temperatures. However, for hot water lines we recommend the red handle version to maintain correct colour coding and avoid confusion.
Why buy a pack of 5?
The pack of 5 offers a better per-unit price and is ideal for trade use, full bathroom or kitchen fits, or keeping spares on hand. The saving per valve increases significantly at the 5-pack quantity.
The workhorse of the isolation valve world. The KeyPlumb 15mm Full Bore Isolation Valve is the valve you fit and forget — tucked neatly behind a basin, under a sink, or inline on a supply pipe, ready to do its job when you need it. A screwdriver slot keeps it tamper-resistant and compact in tight spaces, while the full bore design ensures zero flow restriction when open. Chrome-plated brass construction, WRAS approval, and EN1254-2 compression fittings on both ends make this a specification-grade valve at a trade-friendly price. Available in packs of 1, 5, or 10.
Key Features
WRAS Approved — independently tested and certified for use on mains potable water supplies; meets UK Water Supply (Water Fittings) Regulations
Full Bore Design — unrestricted 15mm flow path when open; no pressure drop or flow restriction
Screwdriver Slot Operation — quarter-turn flathead screwdriver operation; tamper-resistant and compact for tight spaces
Chrome-Plated Brass Body — nickel-plated brass with chrome finish; corrosion-resistant and professional in appearance
EN1254-2 Compression Fittings — standard compression connections both ends; compatible with 15mm copper and plastic pipe
10 Bar Rated — maximum operating pressure well above typical UK mains (3–5 bar)
Up to 95°C — suitable for hot and cold water systems and heating circuits
Hot & Cold Water — suitable for all standard domestic plumbing and heating applications
Available in Packs of 1, 5 or 10 — better per-unit value at higher quantities; ideal for trade use
Technical Specification
Size
15mm
Connection Type
EN1254-2 Compression (both ends)
Valve Type
Full Bore Isolation Valve
Operation
Screwdriver Slot (quarter-turn)
Body Material
Nickel-Plated Brass
Finish
Chrome Plated
Max Working Pressure
10 bar (145 psi)
Max Working Temperature
95°C
Application
Hot & Cold Water, Heating Systems
Approvals
WRAS Approved, EN1254-2
SKU (x1)
K06922
SKU (x5)
K06922 x5
SKU (x10)
K06922 x10
Alt. Part Numbers
KPFBISO15 | 1003CP
Brand
KeyPlumb
Complete Your Valve Range
Straight Isolation Valve – Chrome 15mm (WRAS) — straight-pattern chrome isolation valve; WRAS approved
15mm Chrome Isolation Valve – Flat Face Compression — flat face compression with ½” BSP thread
15mm Hot Water Butterfly Ball Valve – Red Handle (WRAS) — quarter-turn lever butterfly valve for hot water lines
15mm Cold Water Butterfly Ball Valve – Blue Handle (WRAS) — quarter-turn lever butterfly valve for cold water lines
15mm Chrome Lever Isolation Valve – Black Handle — CxC compression lever valve with contemporary black handle
KeyPlumb 15mm Electrolytic Scale Reducer — inline scale reducer to protect valves and appliances from limescale
Frequently Asked Questions
What is the difference between a full bore and standard bore isolation valve?
A full bore valve maintains the same internal diameter as the connected pipework (15mm), so there is no restriction to flow when the valve is open. A standard bore valve has a reduced internal diameter which can restrict flow and cause a pressure drop. For applications where flow rate matters — showers, baths, washing machines — always choose full bore.
Can I order if the item shows as out of stock?
Yes — we can fulfil this product even when stock shows as zero. Place your order as normal and we’ll confirm lead time with you.
How do I operate a screwdriver slot isolation valve?
Use a standard flathead screwdriver. When the slot is parallel to the pipe, the valve is open. When the slot is perpendicular (across) the pipe, the valve is closed. It’s a quarter-turn (90°) operation.
Is this valve suitable for heating systems?
Yes — the 95°C maximum temperature rating makes this valve suitable for heating system pipework, including radiator isolation and boiler connections, within standard domestic operating temperatures.
Does this work with plastic pipe as well as copper?
This valve uses EN1254-2 compression fittings, compatible with 15mm copper pipe. For plastic pipe, use the appropriate insert/liner within the compression fitting to prevent the olive from crushing the pipe wall.
Why buy a pack of 10?
The pack of 10 offers the best per-unit price at £2.90 per valve versus £3.50 individually — a saving of 17% per valve. Ideal for trade use, full property fits, or keeping a stock of spares on the van.
The valve behind the basin. The one under the sink. The one that lets you change a tap washer without turning off the water to the whole house. The KeyPlumb 15mm Straight Isolation Valve is a fundamental plumbing component — compact, chrome-plated, WRAS approved, and built to sit quietly in place for years until the moment it’s needed. A flathead screwdriver is all it takes to isolate any individual fixture. Available as a single valve or pack of 10 for trade use.
Key Features
WRAS Approved — independently certified for use on mains potable water supplies; meets UK Water Supply (Water Fittings) Regulations
Straight Pattern — inline configuration for direct pipe runs; ideal for basin, tap, and fixture isolation
Screwdriver Slot Operation — quarter-turn flathead screwdriver; tamper-resistant and compact in tight spaces behind basins and under sinks
Chrome-Plated Finish — corrosion-resistant, professional appearance; suits exposed installations
CxC Compression Fittings — compression-to-compression connection both ends; compatible with standard 15mm copper and plastic pipe
15mm Size — the standard domestic pipe size for basin, tap, toilet, and appliance supply lines
Hot & Cold Water — suitable for all standard domestic hot and cold water supply applications
Single or Pack of 10 — buy what you need; pack of 10 offers the best per-unit value for trade use
Technical Specification
Size
15mm
Pattern
Straight (inline)
Connection Type
Compression to Compression (CxC)
Operation
Screwdriver Slot (quarter-turn)
Finish
Chrome Plated
Application
Hot & Cold Water, Basin, Tap & Fixture Isolation
Approvals
WRAS Approved
SKU (Single)
K06926
SKU (x10)
K06926 x10
Alt. Part Numbers
KPISO15 | 502CP
Brand
KeyPlumb
Complete Your Valve Range
KeyPlumb 15mm Full Bore Isolation Valve – Chrome (WRAS) — full bore version for maximum flow; ideal where flow rate matters
15mm Chrome Isolation Valve – Flat Face Compression — flat face compression with ½” BSP thread for specific fitting types
15mm Chrome Lever Isolation Valve – Black Handle — CxC compression lever valve with contemporary black handle; no screwdriver needed
15mm Hot Water Butterfly Ball Valve – Red Handle (WRAS) — full bore butterfly valve for hot water lines; quarter-turn lever
15mm Cold Water Butterfly Ball Valve – Blue Handle (WRAS) — full bore butterfly valve for cold water lines; quarter-turn lever
KeyPlumb 15mm Electrolytic Scale Reducer — inline scale reducer to protect valves and appliances from limescale
Frequently Asked Questions
What is a straight isolation valve used for?
A straight isolation valve is fitted inline on a water supply pipe to allow a single fixture — such as a basin tap, toilet cistern, or kitchen tap — to be isolated for maintenance or replacement without turning off the water supply to the whole property. It’s one of the most commonly fitted plumbing components in domestic installations.
Can I order if the item shows as out of stock?
Yes — we can fulfil this product even when stock shows as zero. Place your order as normal and we’ll confirm lead time with you.
What is the difference between a straight and angled isolation valve?
A straight (inline) valve is used where the pipe runs directly to the fixture — the valve sits in the pipe run without changing direction. An angled valve (90°) is used where the pipe comes up from the floor or out from the wall and needs to turn before connecting to the fixture. Choose based on your pipe configuration.
How do I operate a screwdriver slot isolation valve?
Use a standard flathead screwdriver. When the slot is parallel to the pipe, the valve is open. When the slot is perpendicular (across) the pipe, the valve is closed. It’s a quarter-turn (90°) operation — fast and positive.
Does this work with plastic pipe as well as copper?
This valve uses standard CxC compression fittings, compatible with 15mm copper pipe. For plastic pipe, use the appropriate insert/liner within the compression fitting to prevent the olive from crushing the pipe wall.
Why buy the pack of 10?
At £1.05 per valve versus £1.20 individually, the pack of 10 saves 12.5% per valve — ideal for trade use, full bathroom or kitchen fits, or keeping a stock of spares. The compare-at price reflects the full single-unit cost across 10 valves.
Decorating a room? Replacing a radiator? Normally that means draining the system, dealing with dirty water, and refilling and re-pressurising the boiler afterwards. With these patented Isolating Radiator Tails, you don’t. Fit them once between the radiator and the valve, and from that point on you can remove the radiator in minutes — no draining, no mess, no water waste, no boiler interference. A genuinely clever solution to one of the most frustrating jobs in domestic heating.Sold as a pair (one for each end of the radiator). Fits standard 15mm x ½" BSP radiator valve connections.Key Features
Patented Isolating Design — allows the radiator to be removed and refitted without draining the heating system
No System Drainage Required — eliminates the need to drain, refill, and re-pressurise the boiler when removing a radiator
Fits in Minutes — installs between the existing radiator valve and the radiator tail; no specialist tools required
15mm x ½" BSP — standard connection size compatible with all conventional UK radiator valve installations
Sold as a Pair — one tail for each end of the radiator; everything you need for one radiator
Suitable for All Standard Radiators — compatible with new builds and existing heating systems
Protects Boiler Warranty — avoids the pressure fluctuations and air ingress associated with draining and refilling
Eco-Friendly — no water waste from system drainage; no inhibitor top-up required after refitting
Time-Saving for Decorators & Plumbers — dramatically reduces the time and disruption of radiator removal jobs
How It WorksThe isolating radiator tail fits between your existing radiator valve and the radiator itself. Once installed, it incorporates an internal isolation mechanism that allows you to close off the flow at the tail before disconnecting the radiator — trapping the water in the system rather than releasing it. When you’re ready to refit the radiator, reconnect and reopen. The system stays pressurised and full throughout.Technical Specification
Connection Size
15mm x ½" BSP
Quantity
Pair (2 tails per pack)
Design
Patented Isolating Valve
Compatibility
All standard UK radiator valve installations
Application
Radiator removal without system drainage
SKU
K96882
EAN
5033696467500
Alt. Part Numbers
QBBL650 | 19TD368354 | 368354
Brand
Hipkin
Complete Your Radiator Installation
Crosshead Chrome Radiator Valves – Straight & Angled | 15mm | Pair — classic crosshead chrome valves for traditional radiator installations
Kartell Modern Angled Radiator Valves 15mm — contemporary angled radiator valves in brass construction
Kartell Anthracite Angled Radiator Valve 15mm — premium anthracite finish angled valve for designer radiators
Kartell Matt Black Twin TRV + Lockshield Pack — designer matt black thermostatic radiator valve set
Chrome Radiator Valve Pipe Sleeve Kit — pipe sleeves and floor plates for a neat, professional valve finish
Honeywell Valencia TRV Lockshield 15mm Angled — thermostatic radiator valve lockshield for temperature control
Frequently Asked QuestionsDo I really not need to drain the system to remove a radiator?Correct — that’s the whole point of the patented design. Once the isolating tails are fitted, you close them off before disconnecting the radiator. The water stays in the system. You can remove the radiator, decorate, and refit it without touching the boiler pressure or losing any system water.Can I order if the item shows as out of stock?Yes — we can fulfil this product even when stock shows as zero. Place your order as normal and we’ll confirm lead time with you.Will these fit my existing radiator valves?These tails use a standard 15mm x ½" BSP connection — the most common radiator valve connection size in UK domestic heating systems. They are compatible with all standard radiator valve installations, both new builds and existing systems.Do I need a plumber to fit these?The tails are designed to be straightforward to install. A competent DIYer can fit them, though we always recommend a qualified plumber for any work on a sealed heating system to ensure compliance with building regulations and to protect boiler warranties.How many tails do I need per radiator?Two — one for each end of the radiator (flow and return). This product is sold as a pair, so one pack covers one radiator.Will fitting these affect my boiler warranty?The isolating tails are designed to protect boiler warranties by avoiding the pressure fluctuations, air ingress, and inhibitor dilution that occur when a system is drained and refilled. Always check your specific boiler warranty terms if in doubt.
Not all isolation valves are the same — and this one is specified for a reason. The KeyPlumb 15mm Flat Face Compression x ½" BSP Isolation Valve is the correct valve for installations where a basin mono tap with a flexi tail connects to a 15mm copper supply pipe. The flat face compression end grips the pipe without an olive, while the ½" male BSP thread connects directly to the flexi tail. A flathead screwdriver closes it off in a quarter-turn. Chrome-plated brass, neat, and built to last behind a basin pedestal for years.
Key Features
Flat Face Compression Inlet — 15mm flat face compression fitting; connects to copper pipe without a traditional olive; provides a secure, leak-proof seal
½" BSP Male Thread Outlet — standard ½" male BSP thread; connects directly to flexi tails on basin mono taps, kitchen taps, and similar fixtures
Screwdriver Slot Operation — quarter-turn flathead screwdriver; tamper-resistant and compact for tight under-basin spaces
Chrome-Plated Brass Body — corrosion-resistant construction with a polished chrome finish; professional appearance for exposed installations
Isolates Individual Fixtures — allows a tap or fixture to be isolated for maintenance without shutting off the water supply to the whole property
Hot & Cold Water — suitable for both hot and cold water supply lines
1-Year Manufacturer’s Guarantee — backed by KeyPlumb warranty
When to Use This Valve
This valve is specifically designed for installations where:
A basin mono tap (single lever, one tap hole) is being fitted with a flexi tail connection
The supply pipe is 15mm copper and the tap tail is ½" BSP (the UK standard)
A flat face compression fitting is required rather than a standard olive-and-nut compression
If your installation uses a standard CxC compression connection (no BSP thread), see our Straight Chrome Isolation Valve or Full Bore Isolation Valve instead.
Technical Specification
Size
15mm
Inlet Connection
15mm Flat Face Compression
Outlet Connection
½" BSP Male Thread
Operation
Screwdriver Slot (quarter-turn)
Body Material
Chrome-Plated Brass
Application
Basin Mono Taps, Flexi Tail Connections, Hot & Cold Water
Guarantee
1 Year
SKU
K23853
Alt. Part Numbers
KPSTRFLA15
Brand
KeyPlumb
Complete Your Valve Range
15mm Straight Chrome Isolation Valve – CxC (WRAS) — standard CxC compression isolation valve; WRAS approved; for direct pipe-to-pipe isolation
KeyPlumb 15mm Full Bore Isolation Valve – Chrome (WRAS) — full bore version for maximum flow; WRAS approved
15mm Chrome Lever Isolation Valve – Black Handle — CxC compression lever valve; no screwdriver needed
15mm Hot Water Butterfly Ball Valve – Red Handle (WRAS) — full bore butterfly valve for hot water lines
15mm Cold Water Butterfly Ball Valve – Blue Handle (WRAS) — full bore butterfly valve for cold water lines
KeyPlumb 15mm Electrolytic Scale Reducer — inline scale reducer to protect valves and appliances from limescale
Frequently Asked Questions
What is a flat face compression fitting?
A flat face compression fitting connects to the pipe using a flat sealing face rather than a traditional olive (ferrule). The pipe end is inserted and the nut is tightened, compressing the flat face against the pipe to create a watertight seal. It is commonly used in isolation valves where a BSP thread outlet is also required, such as this valve for basin mono tap installations.
Can I order if the item shows as out of stock?
Yes — we can fulfil this product even when stock shows as zero. Place your order as normal and we’ll confirm lead time with you.
What is the difference between this valve and a standard CxC isolation valve?
A standard CxC (compression-to-compression) isolation valve has compression fittings on both ends and is used to isolate a section of pipe. This valve has a flat face compression inlet on one end and a ½" BSP male thread on the other — making it specifically designed to connect a 15mm supply pipe directly to a flexi tail on a basin tap. If you don’t need a BSP thread outlet, use the straight CxC isolation valve instead.
Will this fit my basin mono tap flexi tail?
Yes — provided your flexi tail has a standard ½" BSP female connection (the UK standard for basin mono taps), this valve will connect directly. Check your tap’s flexi tail specification if unsure.
Is this valve WRAS approved?
This valve carries a 1-year manufacturer’s guarantee and is suitable for domestic hot and cold water supply. If you specifically require a WRAS-approved valve, please see our WRAS Approved Straight Isolation Valve or WRAS Approved Full Bore Isolation Valve.
Can this be used on a hot water supply?
Yes — this valve is suitable for both hot and cold water supply lines in standard domestic plumbing applications.
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KeyPlumb 15mm Electrolytic Scale Reducer - WRAS-approved limescale protection for your entire plumbing system
Protect your entire plumbing system from limescale damage with this WRAS-approved electrolytic scale reducer. The 15mm compression fitting integrates seamlessly into your pipework, using proven electrolytic technology to prevent scale build-up at the source - without chemicals, filters or ongoing maintenance costs.
Key Features & Benefits
Whole-House Protection – Prevents limescale build-up throughout your entire plumbing system
WRAS Approved – Certified for use in UK potable water systems
No Chemicals Required – No salts, additives or chemical treatments needed
Zero Maintenance – No filters to replace or ongoing costs
Appliance Protection – Protects boilers, water heaters, washing machines and dishwashers
Extends Lifespan – Maintains appliance efficiency and prevents scale damage
Preserves Water Quality – Maintains natural mineral content
15mm Compression Fitting – Easy installation into standard pipework
Passive System – No electricity or power required
Ideal for Hard Water – Essential protection in hard water areas
How Electrolytic Technology Works
The KeyPlumb electrolytic scale reducer uses proven electrolytic technology to alter the structure of limescale minerals in your water supply. As water passes through the unit, the electrolytic process prevents calcium and magnesium from forming hard scale deposits on surfaces. Instead, the minerals remain suspended in the water, passing harmlessly through your system without adhering to pipes, heating elements or appliances.
This process occurs naturally without chemicals, electricity or any external power source. The electrolytic reaction is triggered by the water flow itself, making it a completely passive, maintenance-free system.
Why Choose Electrolytic Over Traditional Water Softeners?
Unlike traditional water softeners, electrolytic scale reducers offer several key advantages:
No Salt Required: Traditional softeners need regular salt top-ups; electrolytic systems need nothing
Maintains Minerals: Keeps beneficial calcium and magnesium in your water
No Waste Water: Softeners discharge brine; electrolytic systems have zero waste
No Running Costs: No salt, electricity, or filter replacements
Compact Size: Fits inline with pipework; no bulky tank required
Better for Drinking: Maintains natural water taste and mineral content
Environmentally Friendly: No chemicals or salt discharge into drains
What's Included
KeyPlumb 15mm electrolytic scale reducer unit
15mm compression fittings (both ends)
Installation instructions
WRAS certification documentation
Technical Specifications
Manufacturer: KeyPlumb
Model: KPESR15
Size: 15mm compression fitting
Technology: Electrolytic scale reduction
Certification: WRAS approved
Maintenance: None required
Chemicals: None required
Power: None required (passive system)
Application: Whole-house limescale protection
Suitable For: Hard water areas (above 200ppm calcium carbonate)
Connection Type: Compression fittings (both ends)
Maximum Working Pressure: 10 bar
Operating Temperature: 5°C to 65°C
Barcode: 5056277502186
SKU: KPESR15
Applications & Use Cases
Whole-House Protection: Install on rising main for complete property coverage
Combi Boiler Systems: Prevent scale build-up in heat exchangers
System Boilers: Protect primary heating circuits
Water Heaters: Extend element life and maintain efficiency
Hard Water Areas: Essential in regions with high calcium content
New Builds: Specify during construction for long-term protection
Renovations: Upgrade existing systems with scale protection
Appliance Protection: Safeguard washing machines, dishwashers, and showers
Installation Guide
Location: Install on the cold water rising main after the stopcock
Turn Off Water: Shut off mains water supply at stopcock
Cut Pipe: Cut into the 15mm cold water pipe where you want to install the unit
Prepare Pipes: Ensure pipe ends are clean, square, and deburred
Install Unit: Connect using the compression fittings on both ends
Tighten Fittings: Hand-tighten, then use spanners for final tightening
Test: Turn water back on and check for leaks
Mark Direction: Ensure water flows in the correct direction (usually marked on unit)
Note: Professional installation by a qualified plumber is recommended to ensure correct positioning and compliance with water regulations.
WRAS Approval Explained
WRAS (Water Regulations Advisory Scheme) approval confirms this product meets UK water supply regulations and is safe for use in potable (drinking) water systems. This certification ensures:
The unit won't contaminate your water supply
Materials are safe for contact with drinking water
Complies with Water Supply (Water Fittings) Regulations
Meets all relevant British and European standards
Approved for professional and DIY installations
Hard Water Areas in the UK
Hard water affects approximately 60% of UK homes, particularly in:
South East England (London, Kent, Sussex)
East Anglia (Norfolk, Suffolk, Cambridgeshire)
East Midlands (Lincolnshire, Northamptonshire)
Yorkshire and parts of the North East
If you experience limescale build-up on taps, kettles, or shower screens, you likely have hard water and would benefit from this scale reducer.
Benefits of Scale Prevention
For Boilers & Heating:
Maintains heat exchanger efficiency
Reduces energy consumption
Prevents costly boiler breakdowns
Extends boiler lifespan
For Appliances:
Washing machines: Prevents element failure and drum damage
Dishwashers: Maintains spray arm efficiency and prevents blockages
Showers: Keeps shower heads clear and water flow strong
Taps: Prevents scale build-up and maintains smooth operation
For Pipes & Plumbing:
Prevents pipe narrowing from scale deposits
Maintains water pressure throughout the property
Reduces risk of pipe blockages
Extends plumbing system lifespan
Maintenance & Lifespan
One of the key advantages of electrolytic scale reducers is their zero-maintenance design. Unlike water softeners or filter systems:
No filters to replace
No salt to top up
No chemicals to add
No electricity costs
No servicing required
Once installed, the unit works passively for years with no intervention required. The electrolytic elements are designed for long-term performance, typically lasting 10+ years in normal use.
About KeyPlumb
KeyPlumb specializes in innovative plumbing solutions that combine proven technology with practical, cost-effective design. Their electrolytic scale reducers are trusted by plumbers, heating engineers, and homeowners across the UK for reliable, maintenance-free limescale protection.
Perfect for: Homeowners in hard water areas, landlords protecting rental properties, plumbers, heating engineers, property developers, and anyone seeking a low-maintenance, chemical-free solution to limescale problems.
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Manrose Intervent BVF100HP 100mm Bathroom Extractor Fan with Humidistat & Pullcord
The Manrose Intervent BVF100HP is a premium 4-inch (100mm) bathroom extractor fan engineered for effective moisture control in bathrooms and wet rooms. Part of the trusted Manrose Contractor Range, this wall-mounted axial fan combines intelligent humidity sensing with manual override control for optimal ventilation performance.
Key Features
Intelligent Humidistat Control: Adjustable humidity sensor (40-95% RH) automatically activates when moisture levels rise
Manual Pullcord Override: Instant on/off control when needed
Powerful Extraction: 85 m³/hr (23 l/s) airflow effectively removes moisture and odours
Whisper-Quiet Operation: Just 41.0 dB(A) sound level for peaceful bathroom use
Energy Efficient: Low 15W power consumption with maintenance-free pre-oiled bearings
Durable Construction: High-grade ABS thermoplastic housing for longevity and easy cleaning
Wall-Mounted Design: Compact 155mm x 155mm faceplate with 26mm lip depth
Professional Grade: Ideal for landlords, contractors, and bathroom renovations
Technical Specifications
Manufacturer
Manrose
Model Number
BVF100HP
Fan Diameter
100mm (4")
Airflow Performance
85 m³/hr (23 l/s)
Noise Level
41.0 dB(A) @ 3m
Power Rating
15W
Voltage
240V
Mounting Type
Wall
Dimensions
155mm (H) x 155mm (W)
Lip Depth
26mm
IP Rating
IP20
Colour
White
Extractor Type
Axial
Speeds
Single Speed
Backdraft Shutter
No
Condition
Brand New
Why Choose the Manrose BVF100HP?
This bathroom extractor fan delivers professional-grade performance with intelligent automation. The adjustable humidistat ensures your bathroom stays moisture-free without constant manual operation, while the pullcord override gives you instant control when needed. With whisper-quiet operation at just 41dB and energy-efficient 15W consumption, it's the perfect solution for modern bathrooms, en-suites, and wet rooms.
Perfect for: Bathroom renovations, new builds, landlord installations, contractor projects, moisture control, condensation prevention
Universal T-Type Seal for Wetroom Screen Wall Profiles
This premium replacement T-seal provides a watertight seal for glass panels fitted inside wall channels, ensuring your wetroom remains leak-free and professionally finished.
Key Features:
Universal fit - Compatible with standard wetroom screen wall profiles
2000mm length - Full 2-metre seal for complete coverage
T-type design - Secure glass retention within wall channels
Durable material - Long-lasting waterproof seal
Easy installation - Simple replacement for worn or damaged seals
Specifications:
Length: 2000mm (2 metres)
Type: T-seal profile
Application: Wetroom screen wall channels
Material: Flexible waterproof seal
Why Replace Your Wetroom Seal?
Over time, wetroom seals can deteriorate, leading to water leakage and reduced performance. This replacement T-seal restores the watertight integrity of your shower enclosure, preventing water damage and maintaining a professional appearance.
Perfect for: Wetroom maintenance, shower screen repairs, bathroom refurbishment projects
Elevate your bathroom with this premium round push button flushplate in a sophisticated brushed brass finish. Designed for modern concealed cistern systems, this fingerprint-proof flushplate combines luxury aesthetics with practical functionality.
Key Features
Premium Brushed Brass Finish: Fingerprint-proof coating maintains pristine appearance
Compact Dimensions: H 163mm x W 245mm x D 50mm - perfect for contemporary bathrooms
Round Design: Elegant circular aesthetic complements modern bathroom fixtures
Compatible: Designed for use with frames and slim concealed cisterns (works with Slim Cistern BGBP109017)
Quality Assured: Backed by a 2-year manufacturer guarantee
Easy Maintenance: Fingerprint-resistant surface for effortless cleaning
Product Specifications
Material: Brushed brass with protective coating
Installation: For concealed cistern systems
Style: Contemporary round design
Finish: Brushed brass (fingerprint-proof)
Why Choose This Flushplate?
This brushed brass flushplate transforms a functional bathroom element into a design statement. The fingerprint-proof finish ensures your bathroom maintains its spa-like luxury appearance with minimal maintenance, while the warm brass tones add a touch of premium elegance to any modern bathroom scheme.
A curated selection of smaller bathroom products where a delivery charge applies. These items are posted rather than delivered by pallet or courier, making them ideal for quick, straightforward delivery to your door.
