Description
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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
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Compact Design – 320mm H × 336mm W × 140mm D fits tight spaces and stud walls
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Bottom Inlet – Water connection from below for concealed pipework
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Dual Flush 6/4L – Water-saving operation reduces consumption and bills
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Front & Top Access – Flexible servicing options for different installations
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Chrome Push Button Included – Complete package ready for installation
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Adjustable Push Button Position – Left or right side mounting for flexibility
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WRAS Approved – Flushing valve and fittings meet UK water regulations
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Anti-Condensation Sleeve – Polystyrene insulation prevents moisture buildup
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Adjustable Pipe – Included pipe can be cut to size for custom installations
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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:
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Full Flush (6L): For solid waste – uses 6 litres per flush
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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:
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Front Access: Service the cistern through the push button opening – ideal for installations where top access is restricted
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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
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Wall-Hung Toilets: Complete concealed cistern solution
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Back-to-Wall WCs: Hidden cistern behind furniture or paneling
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Bathroom Renovations: Modern concealed installations
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New Builds: Contemporary bathroom designs
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Commercial Installations: Hotels, offices, restaurants, care facilities
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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 🚽
