Genuine Geberit in-wall toilet cisterns and Duofix frames for floor-standing, wall-faced and wall-hung toilets.
Choose from five genuine Geberit in-wall toilet cistern options for Australian bathrooms: the Geberit Sigma 8 and Geberit Alpha 12 concealed cisterns (under-window and mid-level) for floor-standing or wall-faced pans, plus the Geberit Duofix Sigma 8 and Duofix Alpha 12 frames for wall-hung toilets. Select your model and toilet type from the drop-down menu above.
Available Options & Pricing
Preview
Product Name
Model No.
Suitable Pan / Toilet
Features
Price NSW
Price QLD
Price VIC
Sigma 8 (80mm) – For Floor / Wall-Faced Pan
109.795.00.1
Floor-standing or wall-faced (back-to-wall) pan
80mm slim concealed cistern, 4.5/3L dual flush, front actuation, 410mm W × 625mm H
$383
$326
$383
Alpha 12 (120mm) – Under-Window for Floor / Wall-Faced Pan
224.038.00.1
Floor-standing or wall-faced (back-to-wall) pan, under-window installation
120mm concealed cistern, 820mm installation height, 4.5/3L, top or front actuation, 440mm W × 395mm H
$383
$326
$383
Alpha 12 (120mm) Concealed Cistern – Mid Level
224.039.00.1
Floor-standing or wall-faced (back-to-wall) pan
120mm concealed cistern, 1090mm installation height, 4.5/3L, top or front actuation, 440mm W × 395mm H
$383
$326
$383
Sigma 8 Duofix Frame (80mm) – For Wall-Hung Toilet
Geberit Sigma 8 and Alpha 12 Concealed Cisterns – Floor / Wall-Faced Pan
The Geberit Sigma 8 is a slim 80mm white HDPE concealed cistern with a galvanised metal wall-fixing bracket and a white flush pipe, suiting in-wall installations where wall depth is limited. The Geberit Alpha 12 is a 120mm concealed cistern in a lower, wider body. It is offered in an 820mm under-window version and a 1090mm mid-level version, and both connect to the pan with a white flush pipe.
The Geberit Duofix frame is a blue powder-coated steel support frame that carries a wall-hung toilet and houses the concealed cistern. Each frame includes M12 threaded rods, a drain bend and adjustable galvanised feet. The Duofix Sigma 8 stands 1140mm high for standard wall installations, while the Duofix Alpha 12 stands 820mm high for under-window installations.
Features
Feature
Detail
Brand
Geberit
Installation
Concealed in-wall (behind a wall or inside a stud wall)
Flush volume
4.5/3L dual flush
Cistern material
White HDPE
Frame (Duofix models)
Blue powder-coated steel, height-adjustable, with adjustable galvanised feet and M12 threaded rods
Sigma 8 profile
80mm slim cistern
Alpha 12 profile
120mm cistern, lower body for under-window or mid-level use
Flush plate
Sold separately – see our Geberit flush plate range
How to Choose
If you have…
Choose
A floor-standing or wall-faced pan and a full-height wall
Sigma 8 (80mm) – 109.795.00.1
A floor-standing or wall-faced pan and a window above the toilet (820mm installation height)
Alpha 12 (120mm) Under-Window – 224.038.00.1
A floor-standing or wall-faced pan and a mid-level cistern position (1090mm installation height)
Alpha 12 (120mm) Mid Level – 224.039.00.1
A wall-hung toilet and a full-height wall
Sigma 8 Duofix Frame (80mm) – 111.698.00.2
A wall-hung toilet and a window above the toilet
Alpha 12 Duofix Frame (120mm) – 224.049.00.1
Important Notes
Please confirm your toilet pan type (floor-standing, wall-faced or wall-hung), wall depth and available height before ordering. Installation should be carried out by a licensed plumber in accordance with Australian standards and local regulations. Flush plate and toilet pan are not included unless stated.
