Geberit Sigma 120mm Concealed Dual Flush Cistern

Reference: 38100
Code: 109.309.00.5
RRP £239.54
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£167.68 INC VAT
Delivery in 3-4 Days From £6.95 Information
Product Information

Engineered with typical Geberit precision, this concealed cistern offers simple installation and high-end performance. This dual-flush model is designed for use with floor-standing, back-to-wall toilets, fitting snugly inside your bathroom wall. This serves to both save space and create a clean, uncluttered look, feeding nicely into your bathroom's overall aesthetic.


  • For drywall construction
  • For concealed installation in part or room-height prewall installations
  • To use with back-to-wall, floor-standing toilets
  • Fully insulated against condensation & protected against dirt
  • Dual flush - compatible with dual flush pneumatic and mechanical buttons
  • Installation height 1080mm (can be cut down, depending on the WC pan performance)
  • Minimum install height 950mm
  • Flush bend has maximum 80mm adjustment. Flush can be cut down by maximum of 80mm
  • For use with Sigma flush plates only - see required products
Product Name
Geberit Sigma 120mm Concealed Dual Flush Cistern
Product Code
Dimensions (W x H x D)
570mm x 635mm x 160mm
Size may vary depending on options selected
1 year
Flush Type
Dual Flush
Flush Button/Lever
Flush/Push Button
Flush Volume
3L/6L / 3L/4.5L
Flush Operation
Mechanical (Actuation Rods) / Pneumatic (Air/Cable)
Actuation Type
Front Actuation
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