Description
💷 EXCEPTIONAL VALUE: Save £12.50 - Was £22, Now Only £9.50 (57% Off) 💷
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.
💧 PROTECT YOUR ENTIRE SYSTEM: Save £12.50 - Only £9.50 💧
