Duravit
Sigma 12cm Concealed Cistern & Sigma20 Square Flush Plate
In Stock
Available now and ready for dispatch.
Delivery typically 2–5 working days.
Colour
White / Gloss Chrom...
Regular price
£209.90
We help design your perfect bathroom using 2D and 3D visuals, so you're confident before you buy. Our team is here at every step — from selecting the right fittings to aftercare support once your bathroom is complete.
Find out moreWarranty
Every product comes with the full manufacturer's warranty. We also offer the Soaque Warranty — a service guarantee that goes above and beyond the legal minimum, ensuring you receive aftercare you can trust.
Delivery
We work with trusted couriers and consolidate orders where possible. Some products are delivered kerbside on pallets — onward handling into the property is the customer's responsibility. Items may occasionally arrive separately.
Returns
You have 14 days from receipt to request a return for a full refund. Due to the specialist nature of our products, returns can be costly — we encourage you to speak with our team before ordering. Return delivery costs are the customer's responsibility.
In Stock
Available now and ready for dispatch.
Delivery typically 2–5 working days.
Colour
White / Gloss Chrom...
Regular price
£209.90
We help design your perfect bathroom using 2D and 3D visuals, so you're confident before you buy. Our team is here at every step — from selecting the right fittings to aftercare support once your bathroom is complete.
Find out moreWarranty
Every product comes with the full manufacturer's warranty. We also offer the Soaque Warranty — a service guarantee that goes above and beyond the legal minimum, ensuring you receive aftercare you can trust.
Delivery
We work with trusted couriers and consolidate orders where possible. Some products are delivered kerbside on pallets — onward handling into the property is the customer's responsibility. Items may occasionally arrive separately.
Returns
You have 14 days from receipt to request a return for a full refund. Due to the specialist nature of our products, returns can be costly — we encourage you to speak with our team before ordering. Return delivery costs are the customer's responsibility.
About this product
Sigma 12cm Concealed Cistern & Sigma20 Square Flush Plate
Part of Geberit's Sigma range, this set pairs the 12cm concealed cistern with the Sigma20 Square dual-flush plate, giving everything needed for a coordinated, ready-to-install concealed WC system. Designed for BTW floor-standing WC pans in part- or full-height pre-wall constructions, it's finished with the square-button plate on the wall.
Key Features
- Construction height 1080mm; depth 120mm — suited to BTW floor-standing WC pans
- Fully insulated against condensation; flush bend factory-fitted
- Factory flush setting 5.8L / 3L; adjustable large flush 4 / 4.5 / 6 / 7.5L; small flush 2–4L
- Every cistern is leak-tested before delivery; 50-year spare parts guarantee
- Dual-flush square buttons for a full or water-saving reduced flush
- Mechanical front actuation with sound-absorbing actuator rods for quiet operation
- Tool-free fast adjustment for straightforward fitting
- Flush plate measures 246mm wide by 164mm high
- Supplied as a matched cistern and flush plate pair, ready for a single coordinated installation
Why Choose Geberit
With over 150 years of engineering expertise and more than 70 million concealed cisterns installed worldwide, Geberit is the trusted name behind some of Europe's most reliable bathroom systems. Every cistern is leak-tested before leaving the factory, and the Sigma range is designed to deliver consistent, quiet performance day after day — backed by a 50-year spare parts commitment that reflects confidence in long-term quality.
Care & Installation
Wipe with a soft cloth; avoid abrasive cleaners. Follow the enclosed installation instructions for best results.
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