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Geberit Pneumatic Operated Concealed Dual Flush Cistern


MFC CODE: 109.724.21.1


RRP: £138.71 You Save £63.81 on RRP

4.0 out of 5

1 out of 1 customers rated 80%

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5 Working Days Approx

Shipping: £5.95


Quietly understated elegance comes to your bathroom with this elegantly designed low height dual flush Pneumatic Operated Concealed Cistern from Geberit. Specially designed for convenient usage with back to wall floor WCs, this cistern is made with long lasting quality material.

+  Read what's included..

Download the Installation Guide Pdf File
Download the Spare Parts Pdf File

Please Note all the measurements are in 'mm'
Colour White
Country of Origin Germany
Cistern Type Concealed
Flush Type Dual Flush
Full Flush Volume in litres 3
Half Flush Volume in litres 5.8
Flush Mechanism Pneumatic Button
Cistern Lever Or Button Placement Top or Front
Width 464
Depth 132
Height 355
Inlet Type Bottom Left

INFO / SIZE (mm)

  • Cistern
  • Width: 464
  • Depth: 132
  • Height: 355


  • Suitable for low height furniture
  • Pneumatic flush actuation
  • Dual flush pneumatic button included.
  • Top or front access
  • Suitable for use with back to wall floor stand WCs
  • For use with minimum 790mm high furniture
  • Minimum length for pneumatic hose - 1m
  • Can be worked with used water (rainwater) provided it is passed through a filter system first
  • Dimensions : 464 x 355mm (With x Height)
  • For fitting instruction, download PDF from technical tab
  • Parts Included: Dual flush actuator, Flush bend, Sleeve, Fastening material
  • Water supply connection at the bottom left
  • Maximum operating temperature of water: 25 °C
  • Flush volume factory setting: 5.8 and 3 l
  • Water supply pressure range: 0.1 - 10 bar.

Total: £74.90 5 Working Days Approx QS Supplies

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CREWE Date: April 5, 2018

Replacement flush unit
I was asked, by my plumber, to obtain a replacement Geberit flush for him to install as he was rather too busy (as usual!) to do the same himself. As this was a new task for me as a pensioner, I was hesitant to make contact your company or any other. However, your staff and web-site both proved very user-friendly, so that within a couple of working days, the new unit arrived and was soon installed. I would be happy to use your services again and to recommend them to friends and relatives with similar needs. One well-satisfied inexperienced customer ! Mr Ken Williams (age 74 years)
4 Star

Helpful? Hands Up Hands Down


  • Quality: 5 Stars
  • Value For Money: 5 Stars
  • Style: 3 Stars

Durham Date: August 28, 2017

Leaks and impossible to get at to see where
Constantly dribbles into the toilet bowl. From a search on Geberit cistern leaks, this is a very common problem.
2 Star

Helpful? Hands Up Hands Down
2 of 2 People have found this Review useful


  • Quality: 2 Stars
  • Value For Money: 2 Stars
  • Style: 2 Stars

WATFORD Date: November 15, 2017

Good stuff
Quick and easy to order. Very good customer service and support.
5 Star

Helpful? Hands Up Hands Down


  • Quality: 5 Stars
  • Value For Money: 5 Stars
  • Style: 5 Stars

Monkwood Date: July 7, 2016

Good quality
Very good company to deal with and a very good quality cistern.
4 Star

Helpful? Hands Up Hands Down


  • Quality: 5 Stars
  • Value For Money: 5 Stars
  • Style: 4 Stars

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


Answered By QS Team :
In answer to your question, the Geberit cisterns are all set to the factory setting of a full flush being at 6 litres. In the UK you will not find a cistern that flushes over 6 litres as it is a regulation that the maximum flush volume is 6 litres.

Was this answer helpful? Yes - No

Can a protruding flush button be used in this model

Answered By QS Team :
A protruding button can be used with pneumatic flush actuation (single flush) with locked nuts only.

Was this answer helpful? Yes - No

I hope you can help me. My bathroom was rebuilt 10 years ago and a Geberit Pneumatic Operated Concealed Flush Cistern was built in. Unfortunately, it is so "built in" that I can't see any way of replacing the seals on the flush pipe. They started to leak a few days ago. It is a very slow leak at present. Is there a way of fixing it without having to remove the flush pipe? I realise that any other way, may be considered to be somewhere between a short cut and a bodge, but I am very keen to avoid removing tiles, boards and framework around the cistern. The only useful access is to the point underneath the cistern where the flush pipe comes out. Is ther any point in trying to squirt some kind of sealing compound around the pipe? If so, is there a particular type? Many thanks, Marek

Answered By QS Team :
Please can you confirm which cistern you have ? – There will be a number stamped on the back of the inside wall of the cistern. For example 109.720.00.1 From your description below I believe that you have the low height furniture cistern. We contacted Geberit on your behalf and they asked you to call at 01926 516800 option 3, ideally when you are next to the cistern because they will need to go through some checks with you to try and resolve this.

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I have a concealed cistern [I think 109.720.00.1] which appears to have a leak at the point where the outlet pipe to the toilet joins the actual cistern this causes the tank to drip onto the floor underneath the tank. All of the pictures seem to show the tank and outlet pipe as one unit. can you tell me if it is possible to replace the joint seal and or the L shaped pipe, if so, please, could you let me have the part number(s)?

Answered By QS Team :
We have a spare part technical pdf file for this product, which you can download from the technical tab, or you can download the pdf file directly from this url: https://images.alt.qssupplies.co.uk/2016-11-23--12-59-50-215.pdf

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Ref. Geberit Pneumatic Operated Concealed Dual Flush Cistern - 109.720.00.1 QS-V39532 The water is leaking from the bottom centre hole of the cistern where the flush pipe is connected. How can I fix the leak?

Answered By Hasmukh :
Hi well make sure the pipe is gone in square 90 deg without any pressure, otherwise the sealing ring at top will not sit properly against the taper on the cistern and leak.Also make sure you have not cut the pipe to short.

Answered by Verified Purchaser Was this answer helpful? Yes - No

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