Geberit Alpha 12cm Concealed Cistern with Matt Black Flush Plate

Geberit Alpha 12cm Concealed Cistern with Matt Black Round Flush Plate

The Geberit Alpha 12cm Concealed Cistern with Matt Black Round Flush Plate is a compact and efficient installation solution for both wall-hung and floor-standing WCs. Designed for masonry and prewall installations, it features a fully insulated cistern to prevent condensation and ensure quiet, reliable performance. The dual flush system with front actuation promotes water efficiency, while the adjustable depth and flush volumes allow flexibility during installation. Supplied with a sleek matt black round flush plate, this Geberit system combines durability, practicality, and contemporary style for modern bathrooms.

Product Details

• Installation Type: Masonry walls, part-height or full-height prewalls
• Compatible with floor-standing and wall-hung WCs
• Adjustable installation depth
• 12cm concealed cistern, fully insulated against condensation
• Dual flush operation with front actuation
• Factory setting 5.8 / 3L, adjustable between 4–7.5L and 2–4L
• Flow pressure range 0.1–10 bar
• Maximum water temperature 25°C
• Immediate post-flush function enabled
• Rear or top water supply connection
• Pre-fitted flush bend for easy setup
• Service opening box protects against moisture and dirt
• Constructed from high-quality plastic
• Includes Alpha01 round flush plate
• Complies with EN 14055, Class II standard

Comprises:

• Geberit Alpha01 flush plate for dual flush, round 
• 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 45mm
• Protection plug
• 2 fixing brackets
• Fastening material

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

25-year guarantee for cistern 

5-year guarantee on flush plate and mechanical components