Geberit Duofix 1.12m WC Frame With Omega Dual Flush Cistern

Geberit Duofix 500 x 1120mm Wall-Hung WC Frame With Omega Cistern 120mm


The Geberit Duofix Wall-Hung WC Frame With Omega Cistern 120mm is a wall-hung cistern that can drastically improve the function of your toilet. This product measures 500 millimetres in width by 1120 millimetres in height. It has a self-supporting frame that keeps everything steady and has drilling holes ready to fasten the frame into any wall. There is a water supply connected on either the left or the rear left to make installation options more versatile. The cistern features adjustable, galvanised feet complete with non-slip leg supports to ensure it remains upright and in place.


  • Manufacturing code of this product is
  • Size: Width 500mm x Height 1120mm
  • Blue powder coated self-supporting frame
  • Frame made of steel and cistern of plastic
  • Suitable for drywall construction and floor constructions 0–200 mm
  • Compatible with installation in part or room-height prewall installations and part or room-height Geberit Duofix system walls
  • For installation in room-height installation walls
  • For wall-hung WCs with projection up to 620mm and connection dimensions in accordance with EN 33:2011
  • The cistern can be operated with used water (rainwater) provided it is passed through a filter system first
  • Flush valve features settings to enable either a 6 l and 3 l flush or a 4.5 l and 3 l flush
  • Frame with Ø 9mm drilling holes for fastening in wood frame construction
  • Frame prepared for support brackets for WC ceramic appliances with small contact surfaces
  • Adjustable Galvanized feet: 0–200 mm
  • Non-slip leg supports with Rotatable foot plates
  • Foot plate depth suitable for installation in U-profiles UW 50 and UW75 and Geberit Duofix system rails
  • Connection bend can be mounted without tools at different depths adjustable range 45 mm
  • Fastening for connection bend and sound-absorbing
  • Concealed cistern with front actuation
  • Concealed cistern fully insulated against condensation
  • Cistern fullfils standard requirements in accordance with EN 14055, Class II
  • Immediate post flush possible with factory setting
  • Tool-free installation and maintenance work on concealed cistern
  • Water supply connection on the left or rear left
  • Protection cover box for service opening protects against moisture and dirt that can be cut to length for service opening
  • Equipped with conduit pipe for feed pipe for connection of Geberit AquaClean shower toilets
  • Comes with fastening option for electrical connection
  • Flow pressure: 0.1-10 bar
  • Maximum operating temperature of water: 25° C
  • Flush volume factory setting: 5.8 and 3 l
  • Flush volume large adjustment range: 4.5 / 6 / 7.5 l
  • Flush volume small adjustment range: 3-4 l
  • Refer technical drawing for more details
  • Please refer installation manual and instructions PDF's from below
  • Supplied with:
  • Water supply connection Rp 1/2" - R 1/2", compatible with MeplaFix with integrated angle stop valve and hand wheel
  • Protection box for service opening
  • 2x wall anchors
  • Connection set for WC Ø 90 mm
  • Connection bend 90° made of PE-HD Ø 90mm
  • Adaptor socket made of PE-HD Ø 90 / 110 mm
  • 2x protection plugs
  • Cup for flush volume reduction: 4.0 / 2.6 l
  • 2x threaded rods M12
  • Fastening material.

Geberit Duofix 1.12m WC Frame With Omega Dual Flush Cistern

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