Geberit Duofix 112cm WC Frame with Sigma Concealed Cistern 12cm 111.383.00.6
Geberit Duofix 1120cm Frame with Sigma Concealed Cistern 12cm is a robust, self-supporting toilet frame designed for wall-hung WC installations in metal or wood stud walls, Geberit Duofix system walls, and both part-height and room-height prewalls/partition walls. It features a corrosion-resistant powder-coated frame, supports floor constructions from 0–25 cm, and includes a Sigma concealed cistern (12 cm) that’s fully insulated against condensation and built to EN 14055 (Class II).
The cistern is set up for front actuation and supports single, dual, and stop-and-go flushing, with immediate post flush possible via the factory setting. For easier servicing, it includes a protection box for the service opening (cut-to-length) to help protect against moisture and dirt, plus water supply connection options from the rear or top centre. The system also includes a conduit pipe for the feed pipe/cable routing for Geberit AquaClean shower toilets, and provides fixing points for an electrical connection and the Power & Connect Box.APPLICATION PURPOSES
• For metal and wood frame walls
• For Geberit Duofix system walls
• For installation in part- or room-height prewalls
• For installation in room-height partition walls
• For floor constructions 0–25 cm
• For wall-hung WCs
CHARACTERISTICS
• 2025 range
• Statically self-supporting frame, protected against corrosion with powder coating
• Frame for wall-hung WCs with connection dimensions as per EN 33 and projection up to 70 cm
• With pull-out plate for lateral fastening above the element on metal or wood profiles or on Geberit Duofix system studs
• Alternative fastening point for wall anchors
• Rotating foot plates, suitable for installation in U profiles UW 50 and UW 75
• Foot plates that can be mounted in Geberit Duofix system rail without tools, without additional components
• Galvanised non-slip leg supports protected against corrosion
• Connection bend can be mounted without tools at different depths, adjustable range 45 mm
• Geberit Sigma concealed cistern 12 cm, fully insulated against condensation
• Cistern fulfils standard requirements in accordance with EN 14055, Class II
• For front actuation, suitable for single, dual and stop-and-go flushes
• Immediate post flush possible with factory setting
• Tool-free installation and maintenance work on concealed cistern
• Water supply connection on the rear or top centre
• Protection box for service opening, can be cut to length, protects against moisture and dirt
• With conduit pipe for feed pipe for Geberit AquaClean shower toilets and for connection cable
• Fastening for electrical connection and Power & Connect Box
Features of Geberit Duofix 112cm WC Frame with Sigma Concealed Cistern 12cm 111.383.00.6:
- Includes installation kit with key fittings/components required to mount the frame and connect the WC (check the product “scope of delivery” for the exact contents)
- Service-friendly design with front access via the flush plate/service opening for easier maintenance work (no need to open the wall)
- Neat, concealed fastening with fixing points designed for secure mounting behind the wall (prepared for support brackets / fastening options)
- Water-saving capability through compatible flush plates and adjustable flush settings (flush volume / factory setting dependent)
- Corrosion-resistant build thanks to a powder-coated frame and protected metal components for long-term durability
FAQs
What is this Geberit Duofix frame suitable for?
It’s a self-supporting frame for wall hung toilets, designed for drywall construction and installation in part- or room height installation walls / prewalls. It’s built for wall-hung WCs with EN 33 connection dimensions and floor constructions around 0-20 cm.
Does it include a cistern and key connection parts?
Yes, it includes the Sigma concealed cistern 12 cm, plus a connection set for WC and a protection box for the service opening to help protect against moisture and dirt during installation and maintenance. It also includes a water supply connection (Rp 1/2") with an integrated angle stop valve and hand wheel.
What flush options and settings does the cistern support?
The cistern is front-actuated and supports single, dual and stop-and-go actuation (via compatible flush plates), with immediate post flush possible via the factory setting. Flush volume is factory set at 5.8 / 3 L, with small-flush adjustment and a flush volume reduction cup included for lower volumes (where suitable).
How is servicing handled once it’s installed behind the wall?
Maintenance work is designed to be carried out through the flush plate/service opening area, using the service opening protection box to keep access clean and protected. You don’t need to open the wall to access the cistern internals for typical servicing. Explore the complete Geberit range for and matching parts you require.
Description
Geberit Duofix 1120cm Frame with Sigma Concealed Cistern 12cm is a robust, self-supporting toilet frame designed for wall-hung WC installations in metal or wood stud walls, Geberit Duofix system walls, and both part-height and room-height prewalls/partition walls. It features a corrosion-resistant powder-coated frame, supports floor constructions from 0–25 cm, and includes a Sigma concealed cistern (12 cm) that’s fully insulated against condensation and built to EN 14055 (Class II).
The cistern is set up for front actuation and supports single, dual, and stop-and-go flushing, with immediate post flush possible via the factory setting. For easier servicing, it includes a protection box for the service opening (cut-to-length) to help protect against moisture and dirt, plus water supply connection options from the rear or top centre. The system also includes a conduit pipe for the feed pipe/cable routing for Geberit AquaClean shower toilets, and provides fixing points for an electrical connection and the Power & Connect Box.APPLICATION PURPOSES
• For metal and wood frame walls
• For Geberit Duofix system walls
• For installation in part- or room-height prewalls
• For installation in room-height partition walls
• For floor constructions 0–25 cm
• For wall-hung WCs
CHARACTERISTICS
• 2025 range
• Statically self-supporting frame, protected against corrosion with powder coating
• Frame for wall-hung WCs with connection dimensions as per EN 33 and projection up to 70 cm
• With pull-out plate for lateral fastening above the element on metal or wood profiles or on Geberit Duofix system studs
• Alternative fastening point for wall anchors
• Rotating foot plates, suitable for installation in U profiles UW 50 and UW 75
• Foot plates that can be mounted in Geberit Duofix system rail without tools, without additional components
• Galvanised non-slip leg supports protected against corrosion
• Connection bend can be mounted without tools at different depths, adjustable range 45 mm
• Geberit Sigma concealed cistern 12 cm, fully insulated against condensation
• Cistern fulfils standard requirements in accordance with EN 14055, Class II
• For front actuation, suitable for single, dual and stop-and-go flushes
• Immediate post flush possible with factory setting
• Tool-free installation and maintenance work on concealed cistern
• Water supply connection on the rear or top centre
• Protection box for service opening, can be cut to length, protects against moisture and dirt
• With conduit pipe for feed pipe for Geberit AquaClean shower toilets and for connection cable
• Fastening for electrical connection and Power & Connect Box
Features of Geberit Duofix 112cm WC Frame with Sigma Concealed Cistern 12cm 111.383.00.6:
- Includes installation kit with key fittings/components required to mount the frame and connect the WC (check the product “scope of delivery” for the exact contents)
- Service-friendly design with front access via the flush plate/service opening for easier maintenance work (no need to open the wall)
- Neat, concealed fastening with fixing points designed for secure mounting behind the wall (prepared for support brackets / fastening options)
- Water-saving capability through compatible flush plates and adjustable flush settings (flush volume / factory setting dependent)
- Corrosion-resistant build thanks to a powder-coated frame and protected metal components for long-term durability
FAQs
What is this Geberit Duofix frame suitable for?
It’s a self-supporting frame for wall hung toilets, designed for drywall construction and installation in part- or room height installation walls / prewalls. It’s built for wall-hung WCs with EN 33 connection dimensions and floor constructions around 0-20 cm.
Does it include a cistern and key connection parts?
Yes, it includes the Sigma concealed cistern 12 cm, plus a connection set for WC and a protection box for the service opening to help protect against moisture and dirt during installation and maintenance. It also includes a water supply connection (Rp 1/2") with an integrated angle stop valve and hand wheel.
What flush options and settings does the cistern support?
The cistern is front-actuated and supports single, dual and stop-and-go actuation (via compatible flush plates), with immediate post flush possible via the factory setting. Flush volume is factory set at 5.8 / 3 L, with small-flush adjustment and a flush volume reduction cup included for lower volumes (where suitable).
How is servicing handled once it’s installed behind the wall?
Maintenance work is designed to be carried out through the flush plate/service opening area, using the service opening protection box to keep access clean and protected. You don’t need to open the wall to access the cistern internals for typical servicing. Explore the complete Geberit range for and matching parts you require.
Specifications
1120mm
500mm
120mm
Geberit
WC Frames & Plates
WC Frames
111.383.00.6
Toilet Frame