Geberit Alpha 12cm Dual Flush Concealed Cistern 109cm Installation Height

Geberit Alpha 12cm Dual Flush Concealed Cistern

The Geberit Alpha 12cm Dual Flush Concealed Cistern is a compact and efficient solution for modern bathrooms, designed for installation behind walls to create a sleek, uncluttered aesthetic. Featuring a dual flush system with adjustable volumes (6/3 litres), it promotes water conservation without compromising performance. Fully insulated against condensation and compatible with Geberit Alpha flush plates, it supports front actuation and immediate post-flush functionality. Built from high-quality plastic and suitable for wall-hung or back-to-wall WCs, it offers reliable operation with a flow pressure range of 0.1–10 bar and a maximum water temperature of 25°C.

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:

• Adjustable in depth
• Installation height 109 cm
• Geberit Alpha concealed cistern 12 cm fully insulated against condensation 
• For front actuation, suitable for dual flush
• Immediate post flush possible with factory setting
• Cistern fulfils standard requirements in accordance with EN 14055, Class II 
• Flush bend fitted
• Water supply connection on the rear or top centre
• Protection box for service opening, can be cut to length, protects against moisture and dirt

Technical Data:

• Material: Plastic
• Flow pressure 0.1-10 bar
• Maximum operating temperature, water 25°C
• Flush volume, factory setting – 5.8 and 3l
• Flush volume large, adjustment range – 4 / 4.5 / 6 / 7.5 l
• Flush volume small, adjustment range – 2-4l

What’s Included:

• Water supply connection unit R 1/2″, compatible with MasterFix and MeplaFix, with integrated angle stop valve and adapter ring
• Protection box for service opening
• Fastening for flush bend
• Flush bend extension, ø 45 mm
• 2 fixing brackets
• Fastening and protection material

Please note that all measurements are approximate, and images are for illustrative purposes only

10 Year Guarantee