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Need a frame for every application?

There's a Geberit for it

Geberit Duofix

  • Geberit Duofix, the prewall system for drywall construction

Geberit Duofix provides a comprehensive range with universal and self-supporting installation elements. These are available in drywall construction for all sanitary appliances including WC, washbasins and urinals. The wall-hung frames are suitable for partition wall installations, in-wall installations in stud-walls in lightweight construction, and part-height and room-height prewall installations and can be used in new buildings and renovations.

Benefits of Geberit Duofix

Benefits of Geberit Duofix
Geberit Duofix System Rail

Systems Rail

Simplifying installation

To attach Duofix frames quickly and easily to the solid wall Geberit have produced a solution called Geberit system rail. This is simply fixed to the floor and wall with screws and then the Duofix frame’s legs slot in and are clamped down using the brackets to provide a secure installation.

Geberit AquaClean ready

Geberit AquaClean ready

Modern well-being

All Geberit Duofix frames come complete with the double conduit pipe required for connecting the Geberit AquaClean range.

Load bearing Geberit Duofix frames

Load bearing

Beyond expectations

All Geberit Duofix frames have been tested to the maximum extent for their weight bearing capabilities. The Duofix WC frame can support up to 400kg (63stone), Duofix washbasin and bidet frames - 150kg (23 stone) and Duofix urinal frames - 100kg (15 stone).

Geberit Duofix drainage bend

Drainage bend

Maximum adjustability

The 90 degree drainage bend features tool-free, sound-absorbing fastening, adjustable in depth with 8 positions and an adjustable range of 45 mm. We also offer and range of drainage accessories which include a straight connector and the S-bend, an ultra-flat connecting fitting that enables a ceramic for wall-hung WC's to be connected to an existing floor drain with minimal construction modifications.

Geberit Duofix - Self impeding feet

Self-impeding feet

One man job

All Geberit Duofix frames have self-impeding feet making changing the height of the frame a one man job. Simply loosen the bolts, step on the feet, pull the frame up or down to adjust the height and re-tighten the bolts to secure. The feet hold the Duofix frame at the required height while you adjust it.

Geberit Duofix - Foot fastening to rear wall brackets

Foot fastening to rear wall brackets

Alternative solutions

These brackets are available for installation using waterproofing or underfloor heating where you cannot drill down through the floor to secure the frame. These brackets are available as an accessory from the Geberit Washroom & Bathroom range.

Geberit Duofix - Leak-proof cistern

Leak-proof cistern

Secure water-tight seal

Every Geberit cistern is factory-made in one blow moulded piece and leak tested, therefore there are no unnecessary seams on the cistern for maximum operational reliability. Each tank is pressure tested for absolute water tightness before assembly, we guarantee it.

Geberit Duofix - Spare parts

Spare parts

Availability guaranteed

Geberit offers a 25-year spare parts supply guarantee. You can find spare parts by visiting our Online Product Catalogue, or by searching for your product code, where easy to follow exploded drawings guide you to the correct part required. All spare parts can be ordered directly on 0800 077 8365.

Low flush

Reducing flush volume

The flush volume on the Sigma 12cm & Omega cisterns can be reduced manually on the flush valve from the factory set 6 and 3l to 4.5 and 3l.

Geberit Duofix - Product identification

Identification

Product article number

With every Geberit concealed cistern, you will find the product number located at the top on the inside of the cistern. The article number will be in the format 123.456.78.9 and this is what you will need to reference in any communication with us.

Geberit Duofix - Tool free maintenance

Tool free maintenance

Ease of access

The Sigma & Omega cisterns are completely tool free allowing for easy and fast access to the cistern internals for maintenance. The maintenance instructions are printed onto the front of the protection cover so you do not need to locate your manual to service the cistern.

Drywall installation solutions

Geberit Duofix provides installation solutions for most applications. Geberit Duofix system rails and studs also allow for the creation of complete Geberit Duofix system walls. Therefore they meet practically all standard and special requirements.

  • Geberit Sigma cisterns and actuator plates
  • Geberit Duofix WC frame H112 with Sigma cistern 12cm

Geberit Duofix WC frame H112 with Sigma cistern 12cm

  • Concealed cistern with front actuation
  • With front access to cistern internals
  • With wall fixing brackets
  • With 90 degree drainage bend
  • Suitable for Sigma flush plates and remote buttons
  • Installation depth of 140 – 200mm
  • With conduit pipe for connection to Geberit AquaClean
Product code: 111.383.00.5
  • Geberit Duofix WC frame H112 with Sigma cistern 12cm and odour extraction

Geberit Duofix WC frame H112 with Sigma cistern 12cm and odour extraction

  • Concealed cistern with front actuation
  • With front access to cistern internals
  • With wall fixing brackets
  • With 90 degree drainage bend
  • Suitable for Sigma40 flush plate odour extraction use
  • Suitable for Sigma flush plates and remote buttons
  • Installation depth of 140 – 200mm
  • With conduit pipe for connection to Geberit AquaClean
Product code: 111.353.00.5
  • Geberit Duofix WC frame H114 with Sigma cistern 8cm

Geberit Duofix WC frame H114 with Sigma cistern 8cm

  • Concealed cistern with front actuation
  • With front access to cistern internals
  • With wall fixing brackets
  • With 90 degree drainage bend
  • Suitable for Sigma flush plates and remote buttons
  • Installation depth of 80 – 110mm
  • With conduit pipe for connection to Geberit AquaClean
Product code: 111.799.00.1
  • Geberit Duofix special frame H112 with Sigma cistern 12cm for corner installations

Geberit Duofix special frame H112 with Sigma cistern 12cm for corner installations

  • Concealed cistern with front actuation
  • With front access to cistern internals
  • With wall fixing brackets
  • With 45 degree drainage bend
  • Suitable for Sigma flush plates and remote buttons
  • Wall fixture variable from 30 – 60 degrees
  • With conduit pipe for connection to Geberit AquaClean
Product code: 111.399.00.5
  • Geberit Omega cisterns and actuator plates
  • Geberit Duofix WC frame H112 with Omega cistern 12cm

Geberit Duofix WC frame H112 with Omega cistern 12cm

  • For installation in part or full height room installations
  • With front access to cistern internals
  • Concealed cistern with front actuation
  • With wall fixing brackets
  • With 90 degree drainage bend
  • Suitable for Omega flush plates, Omega70 flush button and Geberit remote buttons
  • With conduit pipe for connection to Geberit AquaClean
  • Installation depth of 140mm -200mm
Product code: 111.061.00.1
  • Geberit Duofix WC frame H98 with Omega cistern 12cm

Geberit Duofix WC frame H98 with Omega cistern 12cm

  • For installation in part or full height room installations
  • With front and top access to cistern internals
  • Concealed cistern with top or front actuation
  • With wall fixing brackets
  • With 90 degree drainage bend
  • Suitable for Omega flush plates, Omega70 flush button and Geberit remote buttons
  • With conduit pipe for connection to Geberit AquaClean
  • Installation depth of 140mm with front flush plate and 170mm with top flush plate
Product code: 111.031.00.1
  • Geberit Duofix WC frame H82 with Omega cistern 12cm

Geberit Duofix WC frame H82 with Omega cistern 12cm

  • For installation in part or full height room installations
  • With front and top access to cistern internals
  • Concealed cistern with top or front actuation
  • With wall fixing brackets
  • With 90 degree drainage bend
  • Suitable for Omega flush plates, Omega70 flush button and Geberit remote buttons
  • With conduit pipe for connection to Geberit AquaClean
  • Adjustable height for different flooring construction 0-200mm
  • Installation depth of 140mm with front flush plate and 170mm with top flush plate
Product code: 111.004.00.1
  • Geberit Kappa with flush plates
  • Geberit Duofix WC frame H82 withKappa cistern 15cm

Geberit Duofix WC frame H82 withKappa cistern 15cm

  • Front access to cistern and flush plate
  • Easily modified for top access to cistern
  • Installation wall brackets
  • With 90 degree drainage bend
  • Suitable for Kappa flush plates and Geberit remote buttons
  • Adjustable height for different flooring construction 0-200mm
  • With conduit pipe for connection to Geberit AquaClean
  • Installation depth of 165 - 200mm
Product code: 111.260.00.1
  • Geberit Delta flushing system
  • Geberit Duofix WC frame H112 with Delta cistern 12cm, and Delta50 flush plate

Geberit Duofix WC frame H112 with Delta cistern 12cm, and Delta50 flush plate

  • Concealed cistern with front actuation
  • Complete with Delta50 gloss chrome flush plate
  • With front access to cistern internals
  • With wall fixing brackets
  • With 90 degree drainage bend
  • Suitable for remote flush buttons
  • Installation depth of 120mm
  • With conduit pipe for connection to Geberit AquaClean
Product code: 458.119.21.1
  • Geberit Duofix WC frame H112 with Delta cistern 12cm, and Delta21 flush plate

Geberit Duofix WC frame H112 with Delta cistern 12cm, and Delta21 flush plate

  • Concealed cistern with front actuation
  • Complete with Delta21 gloss chrome flush plate
  • With front access to cistern internals
  • With wall fixing brackets
  • With 90 degree drainage bend
  • Suitable for remote flush buttons
  • Installation depth of 120mm
  • With conduit pipe for connection to Geberit AquaClean
Product code: 458.118.21.1
  • Geberit Duofix frame for wall-hung WC, 79cm, with low-height furniture cistern, pneumatic flush actuation

Geberit Duofix frame for wall-hung WC, 79cm,with low-height furniture cistern, pneumatic flush actuation

  • With top or front access
  • With furniture brackets
  • Not suitable for furniture with front plinths
  • Installation depth of 195 – 315mm
  • Not to be used for concealed installation
  • For use with Geberit remote buttons.
  • Not suitable for use in Geberit flush plates
  • Comes complete with pneumatic type 01 dual flush button gloss chrome 116.050.21.1
Product code: 111.206.21.1

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