Geberit Alpha Concealed Cistern 12 cm, Dual Flush 5.8 / 3 L (109 cm)

The Geberit Alpha concealed cistern is a slimline 12 cm deep dual-flush cistern for concealed in-wall installation. Designed for front actuation and suitable for both floor-standing and wall-hung WCs, it is fully insulated against condensation and comes with the flush bend already fitted. Built to EN 14055 Class II standard requirements.

Key features

• Slimline 12 cm depth, adjustable in depth for flexible installation
• Dual flush with 5.8 / 3 litre factory setting, for front actuation
• Fully insulated against condensation
• Immediate post-flush possible with factory setting
• Flush bend fitted; water supply connection on the rear or top centre
• Fulfils EN 14055, Class II standard requirements
• Protection box for service opening — can be cut to length, protects against moisture and dirt
• Suitable for masonry walls, part or room-height prewall installations, and room-height installation walls

Technical data

• Article no.: 109.012.00.1
• Dimensions (W × H × D): 44 × 39.5 × 12 cm
• Installation height: 109 cm
• Flush volume, factory setting: 5.8 / 3 l
• Flush volume large, adjustment range: 4 / 4.5 / 6 / 7.5 l
• Flush volume small, adjustment range: 2–4 l
• Flow pressure: 0.1–10 bar
• Max. water temperature: 25 °C
• Product material: Plastic

Scope of delivery

• 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