Concealed Cisterns

The Nuie Pneumatic Dual Flush Concealed Cistern is a professional-grade, insulated cistern designed for wall-hung and back-to-wall toilet installations. Featuring a quiet pneumatic dual flush mechanism, universal front and top access, and an insulated body to prevent condensation, this cistern delivers reliable long-term performance with a clean, space-saving concealed design. Supplied complete with a chrome round dual flush button. Key Features & Benefits Pneumatic Dual Flush – Quiet, reliable operation with full and reduced flush options for water efficiency Insulated Construction – Prevents condensation build-up for long-lasting, trouble-free performance Universal Front & Top Access – Easy maintenance without removing wall panels Side Inlet – Flexible installation for a range of configurations Chrome Round Flush Button Included – Contemporary finish, ready to install Compact Concealed Design – Maximises bathroom space in new builds and renovations Compatible with Standard & Comfort Height Pans – Suits back-to-wall and wall-hung WC pans What’s Included Nuie pneumatic dual flush concealed cistern body (insulated) Chrome round dual flush button Installation hardware and fixings Technical Specifications Manufacturer: Nuie SKU: XTY011S Barcode: 5056462635347 Type: Side inlet concealed cistern Flush Type: Pneumatic dual flush Access: Universal front and top access Construction: Insulated body (condensation prevention) Button Finish: Chrome round Weight: 5.5 kg HS Code: 3922200090 Country of Origin: GB Pneumatic Dual Flush The pneumatic flush mechanism operates via air pressure rather than a direct mechanical link, resulting in quieter, smoother flushing action. Two flush volumes are available: Full Flush: For solid waste – typically 6 litres Reduced Flush: For liquid waste – typically 3–4 litres This dual flush system can reduce water consumption by up to 60% compared to older single-flush cisterns, lowering utility bills and reducing environmental impact. Insulated Construction The insulated cistern body prevents cold water inside the cistern from causing condensation on the outer surface — a common issue in bathrooms with high humidity. This protects surrounding wall structures and cabinetry from moisture damage and ensures a cleaner, drier installation long-term. Universal Front & Top Access Both front and top access points are provided for servicing and maintenance: Front Access: Reach internal components through the flush button aperture — ideal where top access is restricted Top Access: Full access from above for installation and major servicing Compatible WC Types Wall-hung WC pans (suspended toilets) Back-to-wall WC pans (floor-standing with concealed cistern) Standard and comfort height pans Complete the Range Pair this cistern with compatible Nuie products available in our store: Back to Wall Toilets – compatible WC pans for concealed cistern installations Nuie Accessible Toilet Pack – Doc M compliant, comfort height toilet pack About Nuie Nuie is a leading UK bathroom brand supplying quality sanitaryware, furniture, and accessories to trade and retail customers. Their products are engineered to professional standards and backed by manufacturer warranties for complete peace of mind. Frequently Asked Questions Can I order if the item shows as out of stock?Yes — we can order this item in for you. Non-stocked items are typically available within 2 working days. Please contact us if you need a specific delivery date confirmed before ordering. Is this cistern WRAS approved?Please contact us to confirm current WRAS certification status for this model. Nuie products are generally manufactured to UK water regulations standards. What flush plate do I need?This cistern is supplied with a chrome round dual flush button. If you require an alternative finish or style of flush plate, please contact us and we can advise on compatible options. Is professional installation required?Professional installation is strongly recommended to ensure correct wall support, waterproofing, and compliance with building regulations.

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Transform your bathroom with this premium slim concealed cistern featuring dual flush technology (6/4L) for water efficiency and modern aesthetics. Designed for professional installations behind the wall or BTW pans, this WRAS-approved cistern delivers reliable performance in compact spaces. Key Features Space-Saving Design — Ultra-slim profile (104mm depth) perfect for tight installations Dual Flush Efficiency — 6/4L flush options reduce water consumption and utility costs Front Access Panel — Easy maintenance without wall removal Top Inlet Connection — Flexible plumbing configuration Universal Compatibility — Works with BTW (back-to-wall) pans and wall-hung toilets WRAS Approved — Certified fittings meet UK water regulations Professional Quality — Built for durability with 2-year manufacturer guarantee Technical Specification Overall Dimensions: H 930mm x W 460mm x D 104mm Height Excluding Pipe: 452mm Flush Volume: 6L/4L dual flush Inlet Position: Top inlet Access: Front accessible for servicing Installation: Suitable for fixing into supporting wall (not compatible with WC furniture units) Certification: WRAS approved components Guarantee: 2 Years EAN: 5054913515248 SKU: BGBP109017 Compatible Flush Plates A flush plate is required and sold separately. This cistern is compatible with the following flush plates: Round Flush Plate (BGBP109021) — Available in Chrome, White, Black, Brushed Brass & Brushed Bronze Rectangle Flush Plate (BGBP109027) — Available in Chrome, White, Black, Brushed Brass & Brushed Bronze Also Available — WC Frames with Integrated Cistern If you need a full wall-hung WC frame with cistern included, see our frame options: Standard Height WC Frame with Cistern (BGBP109014) — Height adjustable 1080–1380mm Low Height WC Frame with Cistern (BGBP109016) — Height adjustable 740–920mm, ideal for restricted ceiling heights Complete the Installation All Flush Plates — Browse our full range of flush plates in all finishes Wall Frames & Concealed Cisterns — In-wall cistern frames for wall-hung and back-to-wall toilets Wall-Hung Toilet Complete Packs — Pan, frame & flush plate bundles Back to Wall Toilets — BTW pans for use with concealed cisterns All Toilets — Browse our full toilet range Frequently Asked Questions Is this cistern compatible with WC furniture units? No — this cistern is designed to be fixed directly into a supporting wall. It is not compatible with WC furniture units. For furniture-housed cisterns, please contact us at customerservice@bubblegumbathrooms.co.uk for advice. Which flush plates are compatible? This cistern is compatible with both the Round Flush Plate (BGBP109021) and the Rectangle Flush Plate (BGBP109027), each available in Chrome, White, Black, Brushed Brass, and Brushed Bronze. What is the difference between this cistern and the WC frames? This slim cistern (BGBP109017) is a cistern only — it does not include a structural frame and is designed to be installed into an existing wall void or behind a false wall. The WC frames (BGBP109014 and BGBP109016) include both the structural frame and the cistern in one unit, and are designed to be fixed to a solid wall to support a wall-hung toilet pan. Can I order if the item shows as out of stock? Yes — this product can be ordered even when showing as out of stock, and we'll fulfil your order as soon as stock is available. If you need a specific delivery timeframe, please contact us at customerservice@bubblegumbathrooms.co.uk before ordering.

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Tavistock TR9009 In-Wall Concealed Cistern The Tavistock TR9009 In-Wall Concealed Cistern is a premium pneumatic dual flush cistern designed for wall-hung WC installations. Built to the highest industry standards and WRAS approved, it features Air Gap technology and a polystyrene insulation jacket to prevent condensation. The cistern accepts top or front flush plate mounting, giving flexibility for different installation configurations. A flush plate or contactless sensor is required and sold separately. Key Features WRAS approved — tested and certified to the highest UK water regulations standards Air Gap technology — prevents backflow contamination Dual flush 6/3L — water-efficient pneumatic flush valve Polystyrene insulation jacket — reduces condensation on the cistern body Internal isolation valve — regulates water flow from mains to service pipe Top or front flush plate mounting — flexible installation options ½" BSP connection Flush plate or contactless sensor required — sold separately Technical Specification SKU: TR9009 Type: In-Wall Concealed Cistern Flush Volume: Dual flush 6/3 litres Valve Type: Pneumatic flush valve Width: 468mm Height: 505mm Depth: 428mm Connection: ½" BSP Mounting: Top or front flush plate Certification: WRAS approved Colour: White Brand: Tavistock / Roper Rhodes Complete Your Installation This cistern requires a separate flush plate or contactless sensor. Choose from our compatible options: Tavistock Roper Rhodes Premium Pneumatic Flush Plate — 6 finishes (TR9057–TR9062) Roper Rhodes Contactless Dual Flush Remote Sensor Kit (TR9014) FAQs Does this cistern include a flush plate? No — a flush plate is not included. This cistern uses a pneumatic flushing system and requires a compatible pneumatic flush plate or contactless sensor, sold separately. See our Premium Pneumatic Flush Plate (available in six finishes) or the Contactless Dual Flush Remote Sensor Kit (TR9014). What is Air Gap technology? Air Gap technology is a backflow prevention feature that stops contaminated water from being siphoned back into the mains supply, ensuring your water supply remains safe and compliant with UK water regulations. What is the flush volume? This cistern provides a dual flush of 3 litres (reduced flush) and 6 litres (full flush), helping to reduce water consumption. What does WRAS approved mean? WRAS (Water Regulations Advisory Scheme) approval confirms this product meets UK water regulations for safety, performance, and water quality — a recognised mark of compliance for UK plumbing installations. Can a contactless sensor be used instead of a flush plate? Yes — this cistern is compatible with the Roper Rhodes Contactless Dual Flush Remote Sensor Kit (TR9014), which can be used as an alternative to a standard flush plate. Can I order if the item shows as out of stock? Yes — you can still place an order even if this item shows as out of stock. We will fulfil your order as soon as stock is available. If you need a specific delivery date, please contact us at customerservice@bubblegumbathrooms.co.uk or call 01603 381095.

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Tavistock Apex TR9002 Side Inlet Concealed Cistern The Tavistock Apex Concealed Cistern (TR9002) is a slim, versatile dual flush cistern designed for use with Tavistock back-to-wall pans and furniture units. With a slimline 135mm depth and side entry inlet, it's ideal for low-height and slimline furniture installations where space is at a premium. Supplied pre-assembled with a pneumatic dual flush valve, it offers top and front access for easy installation and maintenance. Also known as the Roper Rhodes Cascade. Key Features Slimline 135mm depth — ideal for slimline and low-height furniture units Side entry inlet — flexible installation positioning Dual flush 3/6L — water-efficient flushing Pneumatic flush valve — compatible with all Tavistock & Roper Rhodes pneumatic flush plates Pre-assembled — ready to install straight from the box Top and front access — easy maintenance without removing the unit Wide pressure range: 0.2–10.0 bar Compatible with all Tavistock back-to-wall pans and furniture units Technical Specification SKU: TR9002 Also known as: Roper Rhodes Cascade Type: Side Inlet Concealed Cistern Flush Volume: Dual flush 3/6 litres Valve Type: Pneumatic dual flush Width: 464mm Depth: 135mm (slimline) Working Pressure: 0.2–10.0 bar Access: Top and front Inlet: Side entry Colour: White Brand: Tavistock / Roper Rhodes Complete Your Installation This cistern requires a separate flush plate. Choose from our range of compatible Tavistock & Roper Rhodes pneumatic flush plates: Tavistock Roper Rhodes Premium Pneumatic Flush Plate — 6 finishes (TR9057–TR9062) FAQs Which pans and furniture is this cistern compatible with? The Apex TR9002 is compatible with all Tavistock back-to-wall pans and furniture units. If you're unsure whether it suits your specific pan or unit, please contact us before ordering. Does this cistern include a flush plate? No — a flush plate is not included. This cistern uses a pneumatic flushing system and requires a compatible pneumatic flush plate, sold separately. See our Premium Pneumatic Flush Plate available in six finishes. What is the flush volume? This cistern provides a dual flush of 3 litres (reduced flush) and 6 litres (full flush), helping to reduce water consumption. What water pressure does this cistern require? The Apex TR9002 operates across a wide pressure range of 0.2–10.0 bar, making it suitable for most UK domestic water supplies. Is this the same as the Roper Rhodes Cascade? Yes — the Tavistock Apex TR9002 is also known as the Roper Rhodes Cascade. They are the same product. Can I order if the item shows as out of stock? Yes — you can still place an order even if this item shows as out of stock. We will fulfil your order as soon as stock is available. If you need a specific delivery date, please contact us at customerservice@bubblegumbathrooms.co.uk or call 01603 381095.

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The Thomas Dudley Vantage Concealed Cistern (No Button) is a WRAS-approved pneumatic dual flush cistern supplied factory assembled and ready to install. With a slim 125mm depth and side inlet connection, it is ideal for concealed installations in bathroom furniture, behind tiles, and in partitioned applications. Choose from three flush volume options — 6/4L, 5/3L, or 4.26L — to suit your water efficiency requirements. Key Features No button supplied — compatible with separate pneumatic flush plates, buttons, or sensors WRAS approved cistern assembly Supplied factory assembled for quick and easy installation Integral isolating valve and internal overflow warning Air tubes allow button, plate, or sensor to be installed up to 250mm away from the cistern Front and top access panels for easy servicing Side inlet connection Three flush volume options: 6/4L, 5/3L, or 4.26L Technical Specification Manufacturer Stock Code: PVAWHS313330 EAN / Barcode: 5013241660600 Brand: Thomas Dudley Range: Vantage Type: Concealed Cistern (No Button) Flush Type: Dual Flush — 6/4L, 5/3L, or 4.26L Dimensions: 460mm(w) × 369mm(h) × 125mm(d) Inlet: Side inlet Max Button Distance: 250mm from cistern Access: Front and top panels Approval: WRAS approved Colour: White HS Code: 3922.90.00.00 Country of Origin: GB Complete the Installation This cistern requires a separate flush plate, button, or sensor. Browse compatible products: Thomas Dudley Vantage Concealed Cistern — With 51mm Dual Flush Push Button Nuie XTY011S Pneumatic Dual Flush Concealed Cistern — Side Inlet | Universal Access Tavistock Vortex VOR790 Concealed Cistern — Dual Flush 3/6L Slimline Alternative Frequently Asked Questions Does this cistern come with a flush button? No — this version is supplied without a button. It is compatible with separate pneumatic flush plates, buttons, or sensors installed up to 250mm away. What flush volumes are available? The cistern can be set to 6/4L, 5/3L, or 4.26L dual flush to suit your water efficiency needs. Is this cistern WRAS approved? Yes — the cistern assembly is WRAS approved. What are the dimensions? 460mm wide × 369mm high × 125mm deep. Can I order if the item shows as out of stock? Yes — this item can be ordered even when showing as out of stock. Contact us at customerservice@bubblegumbathrooms.co.uk or call 01603 381095 if you need a lead time.

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The Thomas Dudley Vantage Concealed Cistern is a premium pneumatic dual flush cistern designed specifically for use inside bathroom furniture units, behind tiles, and in partitioned concealed applications. Factory assembled for quick installation, it features a compact footprint that fits neatly into units as small as 500mm(w) × 200mm(d) × 800mm(h) — making it ideal for back-to-wall and wall-hung WC installations. Key Features Designed specifically for use in bathroom furniture units Also ideal for use behind tiles, partitioning, and most other concealed applications Supplied factory assembled for quick and easy installation Push-fit water inlet elbow for simple connection Push-fit flushbend included Integral isolating valve Air tubes allow button, plate, or sensor to be installed up to 750mm away from the cistern Compact dimensions: fits units from 500mm(w) × 200mm(d) × 800mm(h) Front and top access panels for easy servicing Unique cistern fixing brackets included Technical Specification Manufacturer Stock Code: PVAWHS322420 EAN / Barcode: 5013241035392 Brand: Thomas Dudley Range: Vantage Type: Concealed Cistern Flush Type: Dual Flush (51mm push button) Colour: White Max Button Distance: 750mm from cistern Min. Unit Size: 500mm(w) × 200mm(d) × 800mm(h) Access: Front and top panels HS Code: 3922.90.00.00 Country of Origin: GB Complete the Installation This cistern is compatible with pneumatic flush plates and sensors. Browse our range of compatible accessories: Thomas Dudley Vantage Concealed Cistern — No Button Version Nuie XTY011S Pneumatic Dual Flush Concealed Cistern — Side Inlet | Universal Access Tavistock Vortex VOR790 Concealed Cistern — Dual Flush 3/6L Slimline Alternative Frequently Asked Questions What is the minimum furniture unit size this cistern fits? The Vantage cistern fits units as small as 500mm wide × 200mm deep × 800mm high. How far away can the flush button be installed? The pneumatic air tubes allow the button, plate, or sensor to be positioned up to 750mm away from the cistern body. Is this cistern suitable for use behind tiles? Yes — it is designed for furniture, tiled, and partitioned concealed applications. Does it come pre-assembled? Yes, the cistern is supplied factory assembled for quick and easy installation. Can I order if the item shows as out of stock? Yes — this item can be ordered even when showing as out of stock. Contact us at customerservice@bubblegumbathrooms.co.uk or call 01603 381095 if you need a lead time.

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The Geberit Low-Height Concealed Cistern is the ideal solution for bathrooms where height is restricted — whether fitting into a furniture unit, a low pre-wall installation, or a back-to-wall WC setup. At just 132mm deep and 355mm tall, it slots neatly behind panels and into vanity units where a standard cistern simply won’t fit. Supplied complete with a Type 01 chrome pneumatic dual-flush button, 90° flush pipe bend, and all necessary fixings, this is a complete, ready-to-install package from one of Europe’s most trusted sanitaryware brands. Backed by a 10-year cistern guarantee and 5-year button guarantee. What’s Included Geberit low-height concealed cistern Type 01 chrome pneumatic dual-flush button 90° flush pipe bend (Ø45mm with compression joint) Flush volume reduction cup (for 4.0/2.6 litre setting) Fixings for flush pipe and actuator Key Features Low-Height Design — 355mm tall, ideal for furniture units and height-restricted installations Ultra-Slim 132mm Depth — fits into tight pre-wall and furniture cavities Dual Flush — factory set to 5.8/3 litres; reduction cup included for 4.0/2.6 litre setting Pneumatic Flush Button Included — Type 01 chrome-plated dual-flush button supplied Flexible Installation — suitable for drywall, pre-wall, and furniture installations Eco-Friendly — compatible with filtered rainwater/greywater systems EN 14055 Class II Compliant — certified performance standard 10-Year Cistern Guarantee / 5-Year Button Guarantee Technical Specification Brand: Geberit Range: Furniture Cistern SKU / Part Number: 109.724.21.2 Type: Low-height concealed cistern Colour: White Material: Plastic Cistern Width: 465mm Cistern Height: 355mm Cistern Depth: 132mm Flush Volume: 6/3 litres (factory set 5.8/3L; adjustable to 4.0/2.6L with reduction cup) Flush Type: Pneumatic dual flush Flush Button: Type 01 chrome pneumatic (included) Flow Pressure: 0.1 – 10 bar Max Water Temperature: 25°C Water Supply Connection: Bottom left (R ½”) Flush Pipe: Ø45mm with compression joint (90° bend included) Standard: EN 14055 Class II Cistern Guarantee: 10 years Button Guarantee: 5 years Country of Origin: Switzerland Frequently Asked Questions What type of WC installation is this cistern designed for? This cistern is designed for back-to-wall floor-standing WCs installed within furniture units, low pre-wall constructions, or drywall installations where a standard-height cistern won’t fit. The 355mm height and 132mm depth make it specifically suited to these applications. Is the flush button included? Yes — the Geberit Type 01 chrome pneumatic dual-flush button is included in the box, along with the 90° flush pipe bend, reduction cup, and all fixings. No additional button purchase is required. What is the flush volume? The cistern is factory set to 5.8/3 litres. A reduction cup is included to reduce this to 4.0/2.6 litres for more water-efficient installations. The nominal flush rating is 6/3 litres. Can this cistern be used with rainwater or greywater? Yes — this cistern is compatible with filtered used water (rainwater/greywater) systems, making it suitable for eco-conscious installations. What water pressure is required? This cistern operates across a wide pressure range of 0.1 to 10 bar, making it compatible with virtually all UK water supply systems including gravity-fed, combi boiler, and unvented systems. Can I order if the item shows as out of stock? Yes — we accept orders even when stock shows as zero. Please contact us on 01603 381095 to confirm lead time and availability before ordering.

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A concealed flushing cistern from Grohe’s Adagio range, supplied pre-assembled and ready for installation. The internal flush mechanism is factory-fitted; the cistern arrives with a left-hand side fill valve installed as standard, which is reversible to right-hand fill if required. Single flush operation with a non-interruptible flush cycle. A single pneumatic push button (sold separately) is required to complete the installation — the compatible Grohe Air Button is available on our site. Compact dimensions of 414 × 331 × 330mm suit standard UK close-coupled WC installations. ⚠️ Pneumatic flush button not included. This cistern requires a single pneumatic push button to operate. The internal flush mechanism is pre-fitted. Order the compatible Grohe Air Button for Adagio Cisterns to complete your installation. Key Features Pre-assembled — internal flush mechanism factory-fitted; ready for installation Left-hand side fill — supplied with left-hand fill valve fitted as standard; reversible to right-hand Non-interruptible flush cycle — consistent, reliable flush performance Single flush — factory set to 6 litres Pneumatic push button required — compatible Grohe Air Button available separately ABS flush pipe — 180mm × 320mm White plastic body — durable, lightweight ABS construction Compact dimensions — 414W × 331H × 330D mm Minimum static pressure — 0.2 bar 1-year manufacturer guarantee Technical Specification SKU: 37762SH0 EAN / GTIN: 4005176213250 Range: Adagio Brand: Grohe Type: Concealed Flushing Cistern Material: Plastic (ABS) Colour: White Fill Valve: Side fill — left-hand as standard, reversible to right-hand Flush Type: Single flush Factory Flush Setting: 6 litres ABS Flush Pipe: 180mm × 320mm Cistern Width: 414mm Cistern Height: 331mm Cistern Depth: 330mm Min. Static Pressure: 0.2 bar Internal Mechanism: Pre-fitted Flush Activation: Single pneumatic push button — Grohe Air Button sold separately Weight: 3kg Guarantee: 1 year Country of Origin: Germany Required Accessory To complete your installation you will need a compatible pneumatic push button. We stock the genuine Grohe Air Button specifically designed for this cistern: Genuine Grohe Air Button for Adagio Cisterns (37762SH / 37945SH) — Chrome Frequently Asked Questions What button do I need to operate this cistern? This cistern requires a single pneumatic push button. The compatible button is the Genuine Grohe Air Button for Adagio Cisterns, available on our site. The internal flush mechanism is already factory-fitted — you simply connect the pneumatic button to activate it. Is the internal mechanism pre-fitted? Yes — the cistern arrives pre-assembled with the internal flush mechanism already fitted. No internal assembly is required. You will need to connect the water supply, the flush pipe to the WC pan, and fit the compatible pneumatic push button. Can the fill valve be changed from left to right-hand? Yes — the cistern is supplied with a left-hand side fill valve fitted as standard, but this is reversible to right-hand fill to suit your installation requirements. What is the flush volume? The cistern is factory set to 6 litres single flush. What is the minimum water pressure required? A minimum static pressure of 0.2 bar is required for correct operation. What guarantee does this carry? The Grohe Adagio cistern carries a 1-year manufacturer guarantee. Contact us at customerservice@bubblegumbathrooms.co.uk if you have any questions about guarantee coverage. Can I order if the item shows as out of stock? Yes — we can accept orders even when stock shows as unavailable. Lead times may vary; please contact us at customerservice@bubblegumbathrooms.co.uk for availability.

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Geberit Low-Height Concealed Furniture Cistern - Pneumatic Flush This Geberit low-height concealed furniture cistern is designed for seamless integration into modern bathroom furniture. Perfect for back-to-wall floor-standing WCs, this space-saving cistern delivers reliability, quiet operation, and a clean, minimalist look. Replaces part number 109.721.00.1. Compatible with: Geberit Type 10 Pneumatic Flush Button or Type 01 Pneumatic Flush Buttons (sold separately) Key Features Low-Height Design - Ideal for installation within bathroom furniture or part-height pre-wall setups at just 35.5cm high Pneumatic Flush Actuation - Compatible with all Geberit pneumatic flush buttons including Type 10 and Type 01 models Factory-Set Flush Volume - 5.8 litres for optimal water efficiency, with optional reduction to 4.0/2.6 litres Flexible Water Connection - Bottom left, ½" thread, with flush pipe compression joint for secure fit Durable Construction - High-quality plastic body meeting EN 14055, Class II standards 10 Year Warranty - Long-term reliability and peace of mind Technical Specification Product Type: Concealed furniture cistern Brand: Geberit Height: Low-height (35.5cm) Dimensions: 46.4cm (W) x 35.5cm (H) x 13.2cm (D) Flush Volume: 5.8L (standard) / 4.0L or 2.6L (optional reduction) Flow Pressure: 0.1–10 bar Max Water Temperature: 25°C Water Connection: Bottom left, ½" thread Compatible WC Type: Floor-standing or back-to-wall Standard Compliance: EN 14055, Class II SKU: 109.721.00.2 Warranty: 10 years Condition: New Availability: In stock What's Included 90° flush bend Flush bend fastening bracket Flush volume reduction cup (4.0/2.6L) All necessary fastening materials Compatibility Compatible with all Geberit pneumatic flush buttons (Type 10, Type 01 - sold separately) Suitable for floor-standing WCs Suitable for back-to-wall WCs Not compatible with Geberit AquaClean Alba or Sela Product Benefits This low-height concealed cistern is the perfect solution for modern bathroom furniture installations where space is at a premium. At just 35.5cm high, it fits seamlessly into furniture units while delivering the reliable performance Geberit is known for. The pneumatic flush system works with your choice of Geberit flush buttons, including the popular Type 10 white button, for a clean, minimalist aesthetic. Factory-set at 5.8 litres with optional reduction to 4.0 or 2.6 litres, it offers excellent water efficiency. The durable plastic construction meets EN 14055 Class II standards and is backed by a 10-year warranty for long-term peace of mind. Ideal For: Bathroom furniture installations, back-to-wall WC setups, space-saving designs, modern residential bathrooms, commercial washrooms, and projects requiring low-height concealed cisterns with pneumatic flush control.

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The Tavistock Vortex VOR790 is the go-to concealed cistern for back-to-wall and slimline furniture installations. At just 135mm deep, it slots neatly into compact units where standard cisterns simply won't fit — without compromising on performance. The pneumatic dual flush mechanism delivers quiet, reliable 3/6 litre operation across a wide pressure range of 0.2–10.0 bar, and the pre-assembled design means faster, easier installation for plumbers and fitters. Key Features Ultra-slimline 135mm depth — ideal for low-height and compact furniture units Dual flush pneumatic valve — 3 litre half flush / 6 litre full flush Bottom entry inlet — pre-assembled for quick installation Top and front access points for easy maintenance Wide operating pressure range: 0.2–10.0 bar Insulated cistern body — reduces condensation Compatible with all Tavistock back-to-wall pans and furniture units White finish Trusted Tavistock quality Technical Specification Brand: Tavistock Range: Vortex Model / SKU: VOR790 GTIN / Barcode: 5016519407853 Type: Concealed cistern Flush Type: Dual flush pneumatic (3/6 litre) Inlet Type: Bottom entry Width: 434mm Depth: 135mm Colour: White Operating Pressure: 0.2–10.0 bar Weight: 5.5kg Country of Origin: United Kingdom Complete Your Tavistock Bathroom Browse our full range of Tavistock taps, showers and accessories: Tavistock Lansdown Mono Basin Mixer Tap – Single Lever with Click Waste Tavistock Lansdown Basin Mixer Tap – Twin Handle with Click Waste Tavistock Lansdown Basin Taps – Twin Handle Pair Tavistock Lansdown Bath Shower Mixer Tap – Twin Handle Tavistock Lansdown Dual Function Shower System – Concealed Mixer Tavistock Cohort Concealed Shower Valve & Trim Set – Dual Control FAQs What back-to-wall pans is the VOR790 compatible with? The Vortex VOR790 is compatible with all Tavistock back-to-wall pans and furniture units. If you're unsure of compatibility with a specific pan, please contact us on 01603 381095 and we'll be happy to advise. Is this cistern suitable for low water pressure? Yes — the VOR790 operates across a wide pressure range of 0.2–10.0 bar, making it suitable for both low-pressure gravity-fed systems and standard mains pressure installations. Does the cistern come pre-assembled? Yes — the VOR790 arrives pre-assembled with a bottom entry inlet, significantly reducing installation time on site. Is a flush plate or button included? The cistern uses a pneumatic dual flush mechanism. Please check whether a flush plate or actuator is included or needs to be purchased separately — contact us on 01603 381095 for clarification. Can I order if the item shows as out of stock? Yes — we can order this item for you even if it shows as out of stock. Please contact us on 01603 381095 or use the contact form and we'll confirm lead time and availability.

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Tavistock / Roper Rhodes TR9008 Comfort Height Concealed Cistern Premium concealed cistern designed for comfort height installations - the Tavistock TR9008 combines efficient dual flush technology with easy installation and superior build quality. Key Features 6/3 Litre Dual Flush - Water-efficient flushing with two volume options Comfort Height Compatible - Works with all Tavistock / Roper Rhodes comfort height back to wall pans Pre-Assembled - Arrives ready to install, saving time and labour Insulated Design - Includes polystyrene insulation jacket to prevent condensation Chrome Pneumatic Button - Premium chrome effect flush button included Furniture Compatible - Designed for 820mm high furniture units Flexible Flush Options - Compatible with optional square flush button or contactless sensor Technical Specifications Flush Volume: 6/3 litres dual flush Height: Suitable for 820mm furniture units Installation: Concealed, back to wall Included: Polystyrene insulation jacket, chrome pneumatic button Model: TR9008 Brand: Tavistock / Roper Rhodes What's Included Concealed cistern (pre-assembled) Polystyrene insulation jacket Chrome effect pneumatic flush button Please Note: Not suitable for use with flush plates in furniture installations. Why Choose This Cistern? The Tavistock TR9008 offers professional-grade performance with straightforward installation. The pre-assembled design means less time on-site, while the insulation jacket prevents condensation issues. Perfect for modern bathroom installations where comfort height is required and a clean, concealed aesthetic is desired.

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A concealed dual flush cistern from Grohe’s Adagio range, featuring EcoJoy 6/3L water-saving technology and a flexible side fill inlet that accepts water supply from the left, right, or back. Supplied complete with a round 50mm chrome Starlight push button, 0.5m Bowden cable, fixing brackets, flush pipe, and WC inlet connector — everything needed for a full installation. Acoustic Group I rated for quiet operation. Suitable for walls 18–24mm thick. Minimum 0.2 bar water pressure required. ⚠️ Professional installation recommended. Designed for concealed installation behind wall panels, stud walls, or within bathroom furniture. Side fill inlet accepts supply from left, right, or back. Push button can be positioned front, top, left, or right via the 0.5m Bowden cable. Key Features Dual flush 6/3L EcoJoy — full or half flush; up to 50% water saving vs single flush systems Side fill inlet — water supply from left, right, or back; ideal for furniture installations and retrofits Chrome push button included — round 50mm Starlight chrome button with eco button; no separate purchase required Flexible button positioning — 0.5m Bowden cable; front, top, left, or right actuation Acoustic Group I — quiet fill and flush operation Wall thickness 18–24mm — suits standard stud wall and furniture panel installations Low pressure compatible — minimum 0.2 bar Complete installation kit included — fixing brackets, flush pipe, WC inlet connector Grohe Starlight chrome finish — multi-layer coating; tarnish and scratch resistant Side Fill vs Bottom Fill Choose the side fill model (39054000) when existing pipework enters from the side, or for furniture-mounted WC units where lateral access is easier. Choose the bottom fill model (39053000) for new installations with standard floor-level pipework. Both models deliver identical dual flush 6/3L EcoJoy performance. Technical Specification Brand: Grohe Range: Adagio Model: 39054000 Flush type: Dual flush — 6L full / 3L half (EcoJoy) Inlet type: Side fill — left, right, or back Min. water pressure: 0.2 bar Acoustic rating: Group I (quiet) Push button: Round 50mm chrome Starlight — included Button actuation: Front, top, left, or right Bowden cable: 0.5m (included) Wall thickness: 18–24mm Finish: Chrome — Grohe Starlight Country of origin: Germany What’s Included Grohe Adagio concealed cistern (39054000) with side fill inlet Round 50mm chrome Starlight push button with eco button 0.5m Bowden cable Fixing brackets Flush pipe WC inlet connector Installation instructions Also in the Grohe Adagio Cistern Range Grohe Adagio Concealed Cistern — Dual Flush 6/3L | Bottom Fill | 39053000 Grohe Adagio Concealed Cistern — 6L Single Flush | Chrome | 37945SH0 Grohe Adagio Concealed Flushing Cistern — Single Flush | Side Fill | 37762SH0 Genuine Grohe Air Button for Adagio Cisterns (37762SH / 37945SH) — Chrome Genuine Grohe Single Flush Button Service Kit — 113219 Frequently Asked Questions Is the push button included with this cistern? Yes — this cistern is supplied complete with a round 50mm chrome Starlight push button (with eco button) and a 0.5m Bowden cable. No separate button purchase is required, unlike some other Adagio cistern models. What is the difference between side fill and bottom fill? The side fill inlet (this model, 39054000) accepts the water supply connection from the left, right, or back of the cistern — useful for furniture installations, retrofits, or where pipework enters from the side. The bottom fill model (39053000) connects from below, which is standard for new builds with floor-level pipework. Flush performance is identical on both. What wall thickness is this suitable for? This cistern is designed for walls between 18mm and 24mm thick, covering standard stud wall and bathroom furniture panel constructions. What is EcoJoy technology? EcoJoy is Grohe’s dual flush system delivering a 6 litre full flush and a 3 litre half flush. Choosing the half flush for liquid waste reduces water consumption by up to 50% compared to older single-flush cisterns, lowering utility bills and reducing environmental impact without compromising flush performance. What is Acoustic Group I? Acoustic Group I is the quietest classification for cistern fill noise under European standards. It means the cistern refills quietly after flushing — particularly important for ensuites, apartments, and bathrooms adjacent to bedrooms. What is the minimum water pressure required? A minimum static pressure of 0.2 bar is required, making this cistern compatible with most UK water supplies including properties with lower pressure. Can I order if the item shows as out of stock? Yes — this product is available to order even when stock shows as zero. Please allow additional lead time and contact us on 01603 381095 to confirm availability and delivery timescales.

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Grohe Adagio Concealed Flushing Cistern - Premium Dual Flush 6/3L Experience German engineering excellence with the Grohe Adagio concealed flushing cistern. This premium dual flush system combines Grohe's renowned quality with innovative EcoJoy water-saving technology, delivering reliable performance and exceptional efficiency. Built to last with Grohe Starlight chrome finish and precision engineering, this concealed cistern is the professional's choice for modern bathroom installations. Product Specifications: Model Number: 39053000 Flush Capacity: Dual flush 6L / 3L (EcoJoy water-saving) Inlet Type: Bottom fill configuration Minimum Pressure: 0.2 bar recommended Acoustic Group: I (quiet operation) Push Button: Round 50mm diameter with eco button Actuation Options: Front, top, left, or right positioning Wall Thickness: Suitable for 18-24mm walls Bowden Cable: 0.5m length for flexible button positioning Finish: Grohe Starlight chrome Brand: Grohe - German bathroom innovation Range: Adagio Collection Key Features & Benefits: Grohe EcoJoy Technology - Advanced water-saving system reduces consumption whilst maintaining perfect flush performance Dual Flush 6L/3L - Choose full or half flush for maximum water efficiency and reduced utility bills Grohe Starlight Chrome - Premium chrome finish resists tarnishing, scratching, and corrosion for lasting beauty Flexible Actuation - Push button can be positioned front, top, left, or right to suit your installation Acoustic Group I - Quiet operation minimises noise during flushing for peaceful bathrooms Bottom Fill Design - Standard bottom inlet configuration for straightforward plumbing connections Extended Bowden Cable - 0.5m cable allows flexible push button positioning without constraints Complete Installation Kit - Includes fixing brackets, flush pipe, and WC inlet connector German Engineering - Grohe quality and precision for reliable, long-term performance Versatile Wall Compatibility - Suits walls 18-24mm thickness for various construction types What's Included: Grohe Adagio concealed cistern unit Round chrome push button (50mm diameter) with eco button Bowden cable (0.5m length) Fixing brackets for secure installation Flush pipe WC inlet connector Installation instructions Grohe manufacturer's guarantee Grohe EcoJoy Technology: Grohe's innovative EcoJoy technology delivers the perfect balance between water conservation and flushing performance. The precision-engineered dual flush mechanism (6L full / 3L half) reduces water consumption by up to 50% compared to older single-flush systems, saving money on utility bills whilst supporting environmental sustainability. The optimised flush geometry ensures complete waste removal with minimal water usage. Grohe Starlight Chrome Finish: The Grohe Starlight chrome finish is more than just beautiful - it's engineered for durability. Multiple layers of premium chrome plating create a finish that resists scratching, tarnishing, and corrosion. The lustrous surface maintains its mirror-like shine for years, even in demanding bathroom environments. Easy to clean and maintain, Starlight chrome represents the pinnacle of bathroom fixture finishing. Technical Advantages: Flexible Push Button Positioning: The extended 0.5m Bowden cable allows you to position the push button exactly where needed - front, top, left, or right side of the WC unit. This flexibility is invaluable for furniture installations, retrofit projects, and custom bathroom layouts. Acoustic Group I Rating: Grohe's Acoustic Group I classification means this cistern operates quietly, minimising the noise associated with flushing. This is particularly important for ensuites, apartments, and bathrooms near bedrooms where noise reduction matters. Low Pressure Compatibility: With a minimum recommended pressure of just 0.2 bar, this cistern works reliably even in properties with lower water pressure, ensuring consistent performance across all installations. Perfect For: Premium bathroom installations Back-to-wall toilet systems Furniture-mounted WC units Contemporary and modern bathrooms Luxury residential developments Hotel and commercial installations Bathroom renovations requiring German quality Eco-conscious projects prioritising water efficiency Grohe Adagio Range: The Adagio collection represents Grohe's commitment to combining timeless design with cutting-edge technology. Coordinate this concealed cistern with other Adagio brassware and accessories for a cohesive, premium bathroom aesthetic backed by German engineering excellence. Installation Notes: Designed for concealed installation behind wall panels, stud walls, or within bathroom furniture. Bottom fill inlet for standard plumbing configuration. Suitable for walls 18-24mm thickness. Push button can be positioned front, top, left, or right using the flexible Bowden cable. Complete installation kit includes all necessary components for professional fitting. Why Choose Grohe: Grohe is synonymous with quality, innovation, and German engineering precision. With over 80 years of bathroom expertise, Grohe products deliver exceptional performance, durability, and design. The Adagio concealed cistern embodies these values, offering professional-grade reliability for discerning homeowners and trade installers alike.

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Compact Concealed Cistern with Side Inlet - Dual Flush 6/4L Create a sleek, modern bathroom with this compact concealed cistern featuring side inlet configuration. Designed for space-saving installations, this WRAS-approved cistern delivers reliable dual flush performance whilst remaining completely hidden behind your wall or furniture. Perfect for contemporary bathrooms, back-to-wall toilets, and furniture-mounted WC installations. Product Specifications: Dimensions: H 320mm × W 336mm × D 140mm Flush Capacity: Dual flush 6/4 litres (water-saving) Inlet Type: Side inlet configuration Access: Front and top access for easy maintenance Push Button Included: Chrome finish push button Installation: Concealed (behind wall or furniture) Certification: WRAS approved flushing valve and fittings Guarantee: 2 years manufacturer warranty Brand: Aqua Elegance Key Features & Benefits: Compact Design - At just 140mm deep and 336mm wide, ideal for tight spaces and shallow wall cavities Side Inlet Configuration - Flexible plumbing options for installations where bottom inlet isn't suitable Dual Flush Water Saving - 6L full flush / 4L half flush reduces water consumption and utility bills Front & Top Access - Easy maintenance access without removing wall panels or furniture Adjustable Pipe - Includes pipe that can be cut to size for perfect fit to your WC pan Chrome Push Button Included - Quality chrome finish button supplied as standard Flexible Button Positioning - Push button can be positioned on either left or right side of WC unit Condensation Prevention - Polystyrene sleeve prevents condensation and moisture damage WRAS Approved - Water Regulations Advisory Scheme certified for UK compliance Compatible Push Buttons - Works with BGBP106323, BGBP106324, BGBP109030, and BGBP106322 What's Included: Concealed cistern unit (320 × 336 × 140mm) Chrome push button Adjustable connecting pipe (can be cut to size) Polystyrene insulation sleeve WRAS approved flushing valve and fittings Installation instructions 2-year guarantee documentation Technical Advantages: Side Inlet Design: The side inlet configuration provides installation flexibility when bottom inlet isn't practical due to floor construction, existing pipework, or furniture design. This makes it ideal for retrofit installations and furniture-mounted WC units. Dual Access Points: Both front and top access ensure you can service the cistern mechanism without major disruption. This is particularly valuable in furniture installations where removing panels can be time-consuming. Water Efficiency: The dual flush mechanism (6L/4L) meets modern water efficiency standards, reducing consumption by up to 50% compared to older single-flush cisterns. This saves money on water bills and supports environmental sustainability. Perfect For: Back-to-wall toilet installations Furniture-mounted WC units Bathroom renovations with limited wall depth Ensuite bathrooms and cloakrooms Modern and contemporary bathroom schemes Space-saving installations Retrofit projects where side inlet is required Installation Notes: Designed for concealed installation behind wall panels, stud walls, or within bathroom furniture. Side inlet allows flexible plumbing configuration. Push button can be positioned on left or right side to suit your layout. Adjustable pipe can be cut to required length for perfect connection to WC pan. Not compatible with flush plates - uses push button activation only. Compatible Push Buttons: This cistern works with the following push button options (sold separately for upgrade): BGBP106323 - Alternative finish option BGBP106324 - Alternative finish option BGBP109030 - Alternative finish option BGBP106322 - Alternative finish option WRAS Certification: Water Regulations Advisory Scheme (WRAS) approval ensures this cistern meets UK water regulations for safety, performance, and water efficiency. The approved flushing valve and fittings guarantee reliable operation and compliance with building regulations. Maintenance & Servicing: The dual access design (front and top) allows easy servicing of the flushing mechanism without removing wall panels or furniture. The WRAS-approved valve is designed for long-term reliability with minimal maintenance required. Replacement parts are readily available if needed.

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💷 SAVE £40 - Was £94.00, Now Only £54 (42% Off) 💷 The Concealed Cistern with Bottom Inlet is a compact, professional-grade solution for wall-hung and back-to-wall toilet installations. Featuring water-saving 6/4 litre dual flush operation, WRAS-approved components, and versatile front and top access, this cistern delivers reliable performance with a sleek, space-saving design. Complete with chrome push button and polystyrene anti-condensation sleeve. Key Features & Benefits Compact Design – 320mm H × 336mm W × 140mm D fits tight spaces and stud walls Bottom Inlet – Water connection from below for concealed pipework Dual Flush 6/4L – Water-saving operation reduces consumption and bills Front & Top Access – Flexible servicing options for different installations Chrome Push Button Included – Complete package ready for installation Adjustable Push Button Position – Left or right side mounting for flexibility WRAS Approved – Flushing valve and fittings meet UK water regulations Anti-Condensation Sleeve – Polystyrene insulation prevents moisture buildup Adjustable Pipe – Included pipe can be cut to size for custom installations 2-Year Guarantee – Comprehensive manufacturer's warranty What's Included Concealed cistern body (320 × 336 × 140mm) Chrome dual flush push button WRAS-approved flushing valve Bottom inlet valve and fittings Adjustable flush pipe (cut to size) Polystyrene anti-condensation sleeve Mounting brackets and fixings Installation instructions 2-year manufacturer's guarantee Technical Specifications Manufacturer: Aqua Elegance Type: Concealed cistern for wall-hung/back-to-wall WCs Dimensions: 320mm H × 336mm W × 140mm D Capacity: 6/4 litres (dual flush) Full Flush: 6 litres Half Flush: 4 litres Inlet Type: Bottom inlet Inlet Connection: 15mm (½" BSP) Access: Front and top access Push Button: Chrome finish (included) Push Button Position: Left or right side adjustable Flush Pipe: Adjustable, cut to size Anti-Condensation: Polystyrene sleeve included Certification: WRAS approved (valve and fittings) Warranty: 2 years Flush Plate Compatibility: Not compatible with flush plates Compatible Push Buttons: BGBP106323, BGBP106324, BGBP109030, BGBP106322 Barcode: 5054913484155 SKU: BGBP106301 Bottom Inlet Explained Bottom inlet cisterns receive their water supply from below, typically through the floor or from pipework concealed within the stud wall. This configuration keeps all plumbing hidden and creates a cleaner, more streamlined appearance compared to side or top inlet cisterns. Bottom inlet is particularly popular for wall-hung toilet installations where all pipework is concealed behind the wall. Dual Flush Water Saving The 6/4 litre dual flush system provides two flush options: Full Flush (6L): For solid waste – uses 6 litres per flush Half Flush (4L): For liquid waste – uses only 4 litres per flush Compared to older single-flush cisterns (9-13 litres), this dual flush system can reduce water consumption by up to 60%, saving money on water bills and helping the environment. For a family of four, this can save approximately 20,000 litres of water annually. Front & Top Access Benefits This cistern offers both front and top access for servicing and maintenance: Front Access: Service the cistern through the push button opening – ideal for installations where top access is restricted Top Access: Full access from above for major servicing – useful during installation or for replacing components This dual-access design provides maximum flexibility for different installation scenarios and makes future maintenance easier. Compact Dimensions At just 320mm high × 336mm wide × 140mm deep, this cistern fits comfortably within standard 150mm stud walls and tight spaces. The compact design is ideal for: Small bathrooms and cloakrooms Stud wall installations (100mm or 150mm studs) Wall-hung toilet installations Back-to-wall WC units Furniture-mounted toilets Anti-Condensation Sleeve The included polystyrene sleeve insulates the cistern, preventing condensation from forming on the cold water tank. This is particularly important in concealed installations where condensation could damage plasterboard, cause mould growth, or create damp patches on walls. The sleeve maintains a barrier between the cold cistern and the warmer room air. Applications & Use Cases Wall-Hung Toilets: Complete concealed cistern solution Back-to-Wall WCs: Hidden cistern behind furniture or paneling Bathroom Renovations: Modern concealed installations New Builds: Contemporary bathroom designs Commercial Installations: Hotels, offices, restaurants, care facilities Cloakrooms: Space-saving compact installations Installation Requirements Requires a stud wall or supporting framework (minimum 100mm depth, 150mm recommended). The cistern is mounted to the wall using the supplied brackets. Bottom inlet water supply (15mm) should be positioned to connect from below. The adjustable flush pipe connects to the WC pan and can be cut to the required length. Professional installation recommended to ensure proper support, waterproofing, and compliance with building regulations. Push Button Positioning The chrome push button can be positioned on either the left or right side of the WC unit, providing installation flexibility to suit your bathroom layout, user preferences, or accessibility requirements. This is particularly useful when the toilet is positioned near a wall or obstacle that would restrict access to one side. Compatible Push Buttons While a chrome push button is included, this cistern is also compatible with the following alternative push buttons for different aesthetic preferences: BGBP106323 – Brushed Brass finish BGBP106324 – Matt Black finish BGBP109030 – Brushed Bronze finish BGBP106322 – White finish Note: This cistern is NOT compatible with flush plates. Only push button actuators are supported. WRAS Approval The flushing valve and all water fittings are WRAS (Water Regulations Advisory Scheme) approved, confirming they meet UK water supply regulations. This ensures the cistern won't contaminate drinking water, operates efficiently, and complies with building regulations requirements for new installations and renovations. Maintenance & Servicing The dual-access design makes maintenance straightforward. Most routine servicing (valve adjustments, seal replacements) can be performed through the front push button opening without removing wall panels. The WRAS-approved components are designed for long-lasting, reliable operation with minimal maintenance required. Replacement parts are readily available if needed. Water Efficiency This 6/4L dual flush cistern exceeds current UK building regulations requirements and helps achieve water efficiency credits in environmental assessment schemes. The water savings translate to lower utility bills and reduced environmental impact, making it an excellent choice for eco-conscious installations and developments seeking sustainability credentials. About Aqua Elegance Aqua Elegance specializes in quality bathroom products, combining thoughtful design with reliable engineering. Their concealed cisterns are designed to professional standards with comprehensive warranties and WRAS-approved components for peace of mind. Perfect for: Bathroom installers, plumbers, property developers, architects, and homeowners seeking a reliable, compact, water-efficient concealed cistern with bottom inlet configuration and dual-access servicing for wall-hung or back-to-wall toilet installations. 🚽 COMPLETE CONCEALED CISTERN PACKAGE: Save £18.60 - Includes Chrome Push Button 🚽

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The Kartell Dual Flush Concealed Cistern is a professional-grade solution for wall-hung and back-to-wall toilet installations. Featuring water-saving dual flush operation, WRAS-approved components, and versatile front and top access for flexible servicing, this cistern delivers reliable performance with a space-saving concealed design. Available in three finishes: Chrome, Matt Black, and Brushed Brass — select your preferred button finish above. Key Features & Benefits Dual Flush Water Saving – Reduces water consumption and utility bills Front & Top Access – Flexible servicing options for different installations WRAS Approved – Meets UK water regulations for quality and compliance Choice of Button Finish – Chrome, Matt Black, or Brushed Brass to suit your scheme Concealed Design – Space-saving solution for modern bathrooms Professional Grade – Reliable components for long-lasting performance Easy Installation – Straightforward fitting with standard connections 1-Year Guarantee – Comprehensive manufacturer's warranty What's Included Kartell dual flush concealed cistern body Dual flush push button in your chosen finish (Chrome, Matt Black, or Brushed Brass) WRAS-approved flushing valve Inlet valve and fittings Flush pipe (adjustable) Mounting brackets and fixings Installation instructions 1-year manufacturer's guarantee Technical Specifications Manufacturer: Kartell Type: Concealed cistern for wall-hung / back-to-wall WCs Flush Type: Dual flush (water saving) Flush Volumes: 6/4 litres or 6/3 litres Access: Front and top access Button Finishes: Chrome (SKU: ACC001N) | Matt Black (SKU: ACC001N-BB) | Brushed Brass (SKU: ACC001N-BRS) Inlet Connection: 15mm (½" BSP) Flush Pipe: Adjustable, cut to size Certification: WRAS approved Weight: 1.7 kg Warranty: 1 year HS Code: 3922200090 Dual Flush Water Saving The dual flush system provides two flush options for maximum water efficiency: Full Flush: For solid waste – typically 6 litres per flush Half Flush: For liquid waste – typically 3–4 litres per flush Compared to older single-flush cisterns (9–13 litres), this dual flush system can reduce water consumption by up to 60%, saving money on water bills and helping the environment. Front & Top Access This cistern offers both front and top access for servicing and maintenance: Front Access: Service through the push button opening — ideal where top access is restricted by shelving, cabinets, or low ceilings Top Access: Full access from above for major servicing or component replacement WRAS Approval The flushing valve and all water fittings are WRAS (Water Regulations Advisory Scheme) approved, confirming they meet UK water supply regulations. Essential for professional installations and building regulations compliance. Compatible WC Types Wall-hung WC pans (suspended toilets) Back-to-wall WC pans (floor-standing with concealed cistern) Furniture-mounted WC pans (integrated with vanity units) Installation Requirements Requires a stud wall or supporting framework for mounting. Water supply connection (15mm) can be side or bottom inlet. The adjustable flush pipe connects to the WC pan and can be cut to the required length. Professional installation recommended. About Kartell Kartell is a trusted UK manufacturer of quality bathroom products, known for reliable performance, thoughtful design, and excellent value. Their concealed cisterns are engineered to professional standards with WRAS-approved components and comprehensive warranties. Frequently Asked Questions Can I order if the item shows as out of stock?Yes — we can order this item in for you. Non-stocked items are typically available within 2 working days. Please contact us if you need a specific delivery date confirmed before ordering. Which button finish should I choose?Chrome suits most modern and traditional bathrooms. Matt Black is ideal for contemporary or industrial schemes. Brushed Brass adds a warm, premium feel and pairs well with gold or brass fixtures. Is this cistern compatible with my WC pan?This cistern is designed for use with wall-hung and back-to-wall WC pans that accept a concealed cistern with a standard flush pipe connection. If you're unsure, please contact us with your WC pan model and we'll confirm compatibility. Is professional installation required?Professional installation is strongly recommended to ensure correct wall support, waterproofing, and compliance with building regulations.

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Grohe Adagio Concealed Cistern - Premium 6 Litre Single Flush Experience German engineering excellence with the Grohe Adagio concealed cistern featuring reliable 6-litre single flush operation. This premium cistern combines Grohe's renowned quality with robust construction and flexible side fill configuration, delivering dependable performance for commercial and residential installations. Built to Grohe's exacting standards with Starlight chrome finish and precision engineering. Product Specifications: Model Number: 37945SH0 Flush Capacity: 6 litres single flush Flush Type: Non-interruptible flush cycle Inlet Type: Side fill - left, right, or back connection Minimum Pressure: 0.2 bar static pressure recommended Flush Pipe: ABS flush pipe 180mm × 320mm included Finish: Grohe Starlight chrome Installation: Concealed (behind wall or furniture) Brand: Grohe - German bathroom innovation Range: Adagio Collection Key Features & Benefits: 6 Litre Single Flush - Consistent, reliable flush performance ideal for commercial and high-use applications Non-Interruptible Flush Cycle - Ensures complete flush every time, preventing partial flushes and improving hygiene Flexible Side Fill Inlet - Water connection from left, right, or back for maximum installation flexibility Grohe Starlight Chrome - Premium chrome finish resists tarnishing, scratching, and corrosion ABS Flush Pipe Included - Durable 180mm × 320mm flush pipe supplied as standard Low Pressure Compatible - Works reliably with minimum 0.2 bar static pressure German Engineering - Grohe quality and precision for reliable, long-term performance Commercial Grade - Robust construction suitable for high-traffic installations Simple Operation - Single flush mechanism reduces complexity and maintenance What's Included: Grohe Adagio concealed cistern unit (6L capacity) ABS flush pipe (180mm × 320mm) Side fill inlet connector Fixing brackets for secure installation Installation instructions Grohe manufacturer's guarantee Non-Interruptible Flush Cycle: The non-interruptible flush cycle is a key feature for commercial and public installations. Once activated, the flush completes its full 6-litre cycle regardless of button release, ensuring thorough waste removal every time. This prevents partial flushes that can lead to hygiene issues and reduces the need for multiple flushes, ultimately saving water despite being a single-flush system. Side Fill Configuration: Installation Flexibility: The side fill design allows water supply connection from the left, right, or back of the cistern. This is particularly valuable for commercial installations, retrofit projects, furniture-mounted WC units, and situations where existing pipework positioning dictates inlet location. The flexible connection options simplify plumbing and reduce installation time. Grohe Starlight Chrome Finish: The Grohe Starlight chrome finish delivers exceptional durability through multiple layers of premium chrome plating. This creates a finish that resists scratching, tarnishing, and corrosion whilst maintaining its mirror-like lustre. Easy to clean and maintain, Starlight chrome is engineered to withstand demanding bathroom environments, making it ideal for both commercial and residential applications. Technical Advantages: Commercial Grade Construction: Built to withstand high-frequency use, this cistern is ideal for commercial washrooms, public facilities, offices, and high-traffic residential bathrooms. The robust mechanism and non-interruptible flush ensure consistent performance even with intensive daily use. Low Pressure Compatibility: With a minimum recommended static pressure of just 0.2 bar, this cistern works reliably even in properties with lower water pressure, ensuring consistent flush performance across all installations. ABS Flush Pipe: The included ABS (Acrylonitrile Butadiene Styrene) flush pipe offers superior durability compared to standard plastic pipes. Resistant to impact, chemicals, and temperature variations, the 180mm × 320mm pipe ensures reliable connection between cistern and WC pan. Perfect For: Commercial washroom installations Public facilities and offices High-traffic residential bathrooms Back-to-wall toilet systems Furniture-mounted WC units Retrofit projects with side pipework Hotels and hospitality installations Schools and educational facilities Healthcare and care home bathrooms Applications requiring non-interruptible flush Single Flush vs Dual Flush: This 6-litre single flush model is ideal for commercial applications where consistent flush volume is required, or where simplicity and reliability are priorities. The non-interruptible cycle ensures complete waste removal every time. For residential applications prioritising water efficiency, consider Grohe's dual flush models (39053000 or 39054000) which offer 6L/3L options. Grohe Adagio Range: The Adagio collection represents Grohe's commitment to combining timeless design with cutting-edge technology. Coordinate this concealed cistern with other Adagio brassware and accessories for a cohesive, premium bathroom aesthetic backed by German engineering excellence. Installation Notes: Designed for concealed installation behind wall panels, stud walls, or within bathroom furniture. Side fill inlet accepts water supply from left, right, or back for maximum flexibility. ABS flush pipe (180mm × 320mm) connects cistern to WC pan. Minimum static pressure 0.2 bar required. Complete installation kit includes all necessary components for professional fitting. Why Choose Grohe: Grohe is synonymous with quality, innovation, and German engineering precision. With over 80 years of bathroom expertise, Grohe products deliver exceptional performance, durability, and design. The Adagio concealed cistern embodies these values, offering commercial-grade reliability for demanding installations and discerning specifiers.

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