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Geberit Duofix 1140mm High WC Frame With Sigma Concealed Cistern 8cm


MFC CODE: 111.799.00.1


RRP: £590.96


3 Working Days Approx

4.0 out of 5 4.0 out of 5

3 out of 3 customers rated 80%

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Shipping: £6.95


The Geberit Duofix WC Frame is ideal for fixing a WC and comes with a Sigma Cistern. Pleasing in powder-coated, Ultramarine Blue finish, it blends nicely with most bathroom set-ups. Suitable for installation of wall-hung WC, on various types of walls like load-bearing stud wall, split-height pre-wall construction, room height Duofix system wall, room height pre-wall or a partition wall. The product is suitable for single flush with Sigma 10 or Tango flush plates. Includes all materials and fixings for a secure and fast installation.

+  Read what's included..
Please Note all the measurements are in 'mm'
Colour Blue
Country of Origin Germany
Cistern Included Yes
Flush Type Low Volume
Full Flush Volume in litres 4.5, 5.8
Half Flush Volume in litres 3, 4
Width 500
Height 1140
Water Supply Connections Top, Left

Geberit Duofix 111.799.00.1 Details

  • Manufacturing code of this product is 111.799.00.1
  • Size: 500 x 1140mm [Width x Height]
  • Comes With front access to cistern internals
  • Supplied With wall fixing brackets
  • 90 degree drainage bend
  • Suitable for Sigma flush plates and remote buttons not included
  • Installation depth of 80 – 110mm
  • Self-supporting frame, powder-coated
  • Frame with Ø9 mm drilling holes for fastening in wood frame
  • Frame suitable for ceramic WC appliances with small contact
  • Comes with a Galvanized feet
  • Leg supports infinitely variable in height
  • Non-slip leg supports
  • Foot plate depth suitable for installation in U-profiles UW 50 and Geberit Duofix system rails
  • Connection bend can be installed without tools at different depths
  • Connection bend can be mounted vertically with front flush
  • Waste connector bend, extended, for connection in floor
  • Fastening for connection bend, sound-absorbing
  • Concealed cistern with front actuation
  • Concealed cistern fully insulated against condensation
  • Cistern fulfills 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 top, offset to left side
  • Protection cover box for service opening protects against moisture and dirt
  • Protection box for service opening can be cut to length, suitable for surface-even flush plates
  • Equipped with conduit pipe for feed pipe for connection of Geberit AquaClean shower toilets
  • Comes with fastening option for electrical connection
  • Technical details
  • Flow pressure 0.1-10 bar
  • Maximum operating temperature, water 25 °C
  • Flush volume, factory setting 5.8 and 3 l
  • Flush volume large, adjustment range 4.5 / 5.8 l
  • Flush volume small, adjustment range 3-4 l
  • Application purposes
  • For drywall construction
  • For installation in part- or room-height prewall installations
  • For installation in room-height installation walls
  • For wall-hung WCs with connection dimensions in accordance with EN 33:2011
  • For wall-hung WCs with large projection up to 70 cm
  • For floor constructions 0–20 cm
  • Scope of delivery
  • 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
  • 2 wall anchors
  • Connection set for WC, Ø90 mm
  • Connection bend 90° made of PE-HD, Ø90 mm
  • Adaptor socket made of PE-HD, Ø90 / 110 mm
  • 2 protection plugs
  • 2 threaded rods M12
  • Fastening material.

Note: Any boarding must be fixed tight up against the Duofix frame's face and screwed directly to the frame. The cistern can be operated with used water rainwater provided it is passed through a filter system first. The flush valve features settings to enable either a 6 l and 3 l flush or a 4.5 l and 3 l flush. Frame must be used with pans designed for low volume flush.

Info / Size (mm)

  • Frame
  • Width: 500 mm
  • Height: 1140 mm

Additional Info

Total: £302.69 3 Working Days Approx QS Supplies

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Reviews & Ratings
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BOURNEMOUTH Date: March 25, 2021

Well hung
We needed to go for the slimmest possible solution for the en-suite we were building, and this fitted the bill perfectly. Although more expensive than other brands, it was worth spending the extra to guarantee it would fit in the CLS stud work and was straightforward to fit and plumb in. Having the cistern in the wall makes all the difference in such a small room and makes it feel bigger than it is. Overall, I’ve been really impressed with it and will definitely be fitting another one in the main bathroom when I do it up.

1 of 1 People have found this Review useful

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HAYES Date: September 12, 2020

The duofix I installed was easy and straightforward for a first r. The instructions were clear and the product itself has a substantial and well engineered feel to it which brings price of mind as it is installed in a very expensive bathroom. Almost 2 years on, and the frame/ cistern is performing well, there have been no issues.



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Blackburn Date: September 23, 2015

Geberit Wall Hung Frame
Excellent product, cheapest on web. Works well with Duravit toilets and geberit flush plates. Easy to fit and gives a clean uncomplicated look to the bathroom.



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Questions & Answers

Submit Your Questions 5 Questions Asked

Have a question about this item? Ask our tech team. We aim to reply within 72 hours. If you want to know get answers fast, please call us on 0116 251 0051

subhas Asked :
is this frame compatible with the following : flush plate - Geberit Sigma70 Soft-Touch Dual wall hung toilet - Vitra Sento Rim-Ex Wall Hung Pan many thanks Subhas

Answered By QS Team :
Geberit Sigma70 Soft-Touch Dual will not go with article 111.799.00.1. You can use Article 115.627.XX.1 (XX - to be replaced with finish code). We would not be able to advise on if the pan is suitable, but please see drawings in the PDF given below.

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2   0

Przemyslaw Asked :
Is the product (Geberit Duofix 1140mm High WC Frame With Sigma Concealed Cistern 8cm) compatible with Sigma80 touchless flush plate?

Answered By QS Team :
The frame and cistern 111.799.00.1 is an 8cm and cannot be used with the Sigma 80. This Flush plate can only be used with a Sigma 12cm cistern.

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3   0

Debbie Asked :
Hi there, I'm hoping you will be able to help me? I wanted to check whether this item (QS-V16031) is compatible with the Sigma 20? Many thanks, Debbie

Answered By QS Team :
Any sigma flush plate will work with a frame and sigma cistern

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1   0

Melanie Asked :
Is the Geberit Duofix 1140mm High WC Frame With Sigma Concealed Cistern 8cm compatible with the Tesi Freestanding toilet and the Grohe Round Dual Flush Push Button Actuation With Eco Button? Is there anything else that I'd need to make it a fully functioning toilet?

Answered By QS Team :
Please specify the Manufacturing Part Number of the Burlington back to wall pan. We can then assist you further.

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1   0

Sam Asked :
Is this cistern compatible with the Pura Arco 47cm projection toilet? Thanks

Answered By QS Team :
Thank you for your email, yes this is compatible with the WC detailed below.

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