Geberit concealed cisterns are the classics of modern bathroom installations and have been installed a millions of times around the world for more than 50 years. They are known for their reliability, as every cistern is leak-tested before it is delivered. The 25-year guaranteed spare parts availability provides long-term security. The flush volume of the Geberit Sigma concealed cistern 12 cm can be limited to 4.5 litres. It’s therefore exemplary in terms of water consumption and has achieved consistently high scores on the Water Efficiency Label.
Requires front mounted flushplate. Choose from Sigma, Bolero & Tango flushplates or Remote Pneumatic Buttons. Installation height, floor to top of cistern 1080mm.
Additional information
Cistern can be mounted at a lower height (98cm) as the flush pipe can be cut down.
Flush valve features settings to enable either a 6 l and 3 l flush or a 4.5 l and 3 l flush. Note: 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.
Technical data
Flow pressure 0.1-10 bar
Maximum operating temperature, water 25 °C
Flush volume, factory setting 5.8 and 3 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 floor-standing WCs
Characteristics
Concealed cistern with front actuation
Concealed cistern fully insulated against condensation
Cistern fulfils standard requirements in accordance with EN 14055, Class II
Immediate post flush possible with factory setting
Flush bend fitted
Tool-free installation and maintenance work on concealed cistern
Water supply connection on the rear or top centre
Protection cover box for service opening protects against moisture and dirt
Protection box for service opening can be cut to length
