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Geberit Omega 120mm Dual Flush Concealed Cistern White For 820mm Height




RRP: £326.26


2-3 Working Days Approx

Shipping: £6.95


Ideal for floor standing WCs, the Geberit Omega Dual Flush Concealed Cistern with Front Actuation is an excellent way to powerfully and safely complete your toilet set-up. It has an adjustable depth to make it easier for you to install it in the most appropriate place. The product offers a tool-free installation that makes application a breeze and is fully insulated against condensation.

+  Read what's included..
Please Note all the measurements are in 'mm'
Country of Origin Germany
Cistern Type Concealed
Flush Type Dual
Full Flush Volume in litres 5.8
Half Flush Volume in litres 3
Flush Mechanism Dual
Width 416
Depth 120
Height 395
Fixings included Yes
Compliance/Approvals/Standard EN 14055, Class II

Geberit Omega Details

  • The manufacturing code of this product is -
  • Size: 416 x 395mm [Width x Height]
  • Installation height required: 820mm
  • Features Adjustable depth
  • Comes with top or front actuation
  • Fully insulated against condensation
  • Cistern fulfils standard requirements in accordance with EN 14055, Class II
  • Immediate post flush possible with factory setting
  • Welded flush bend included
  • Tool-free installation and maintenance work on the concealed cistern
  • Water supply connection on the left or rear left
  • Features protection cover box (can be cut to length)for service opening, protects against moisture and dirt
  • 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 / 6 / 7.5 L
  • Flush volume small, adjustment range: 3 – 4 L
  • Calculated flow rate: 0.11 l/s
  • Minimum flow pressure for calculated flow rate: 0.5 bar
  • For installation instructions, download the PDF from the technical tab
  • Application purpose
  • For drywall construction
  • For installation in part-height pre-wall installations
  • For floor-standing WCs
  • Scope of delivery
  • Water supply connection R 1/2"
  • Compatible with MeplaFix
  • Integrated with angle stop valve and hand wheel
  • Protection box for service opening
  • Flush bend extension: Ø45mm
  • Fastening for flush bend
  • Protection plug
  • Cup for flush volume reduction: 4.0/2.6 l
  • 2 Fixing brackets
  • Fastening material.

Note: Flush valve features settings to enable either a 6 l and 3 l flush or a 4.5 l and 3 l flush. Cistern must be used with pans designed for low volume flush. The cistern can be operated with used water rainwater provided it is passed through a filter system first.

Info / Size (mm)

  • Cistern
  • Width: 416 mm
  • Depth: 120 mm
  • Height: 395 mm

Sizes Available
Other Sizes / Finishes / Variations Available.

Additional Info

Total: £168.40 2-3 Working Days Approx QS Supplies

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Questions & Answers

Submit Your Questions 1 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

Malcolm Asked :
Will this fit in a cavity that is +/- 155 mm deep?

Answered By QS Team :

The total cavity space can vary depending on the method of fixing and draining arrangement, please consult the installer. Omega 12 cm cistern Duofix frame H 82 cm
Drain below the floor with Top Access – approx. 170 mm
Drain Below Floor Front Access – approx. 160 mm
Drain running Left or Right – approx. 200 mm
Drain running straight back Front Access – approx. 140 mm
Drain running straight back Top Access - approx. 170 mm

The minimum depths based on frame and supplied drainage connector only. Extra space might be required depending on the bracket type used to take the drainage connection to the stack.

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At QS Supplies, we use trustworthy carriers for deliveries across UK, Scotland and Ireland. We also follow an up-to-date tracking system to keep you posted on the status of your orders. Delivery dates are approximate, and therefore, we suggest you do not schedule any installation work until you have received the items. To learn more about our delivery service, click here. Please do not book Tradesmen until the items are safely received and thoroughly checked.


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