Duravit
Duofix Sigma 1120mm WC Frame & Concealed Cistern with Sigma01 Square Flush Plate
In Stock
Available now and ready for dispatch.
Delivery typically 2–5 working days.
Colour
Alpine White
Regular price
£337.90
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
Alpine White
Regular price
£337.90
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
Duofix Sigma 1120mm Wall Hung WC Frame & Cistern with Sigma01 Square Flush Plate
From Geberit's Sigma collection, this Duofix wall-hung WC frame and cistern bundle pairs the next-generation Sigma 1120mm concealed frame and cistern with the Sigma01 square flush plate — a contemporary choice that complements the clean lines of modern square-format WC pans. Supporting wall-hung pans with a projection up to 700mm, it is compatible with Geberit AquaClean shower toilets and DuoFresh odour extraction.
Key Features
- Next-generation Sigma frame and cistern — over 30% quieter than the previous model, with optimised hydraulics (2–4L small / 5.8L large)
- 40% faster installation than its predecessor, with pull-out side fastening plate, hexalobular screws, adjustable pipe bracket, and laser markings
- Supports wall-hung WC pans up to 700mm projection — strength-tested to 400kg when combined with Geberit wall-hung pans
- WRAS approved — water supply components certified for UK use
- Compatible with Geberit AquaClean shower toilets, DuoFresh odour extraction, and 130+ Sigma flush plate finishes
- 50-year spare parts guarantee
- Sigma01 square flush plate — frameless design with water-saving dual flush, sound-absorbing actuator rods, and tool-free fast adjustment
- Flush plate includes mounting frame, distance bolts, and actuator rods
Why Choose Geberit
With over 150 years of engineering expertise and more than 70 million concealed cisterns installed worldwide, Geberit is the trusted name in concealed bathroom systems. Every cistern is leak-tested before leaving the factory, and products are designed to work as an integrated system — quietly, reliably, and with spare parts availability guaranteed for 50 years.
Care & Installation
Wipe with a soft cloth; avoid abrasive cleaners. Follow the enclosed installation instructions for best results.
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