Geberit Duofix Pan & Flush Pipe Connection Set — 152.426.46.1
The Geberit 152.426.46.1 is the professional-standard connection kit for wall-hung WC pans. Specifically designed for use with Geberit Duofix frames, this set provides a seamless, leak-proof bridge between the concealed cistern and the ceramic pan. Whether you are performing a new installation or replacing aged, leaking seals, this genuine kit ensures original factory performance and a clean, finished aesthetic.
Identification Guide:
MPN: 152.426.46.1 | Application: Wall-Hung WC to Duofix Frame | Pipe Diameters: 90mm (Waste) / 45mm (Flush) | SKU: FTB4106
What’s Included
- Waste Connector: 90mm diameter straight pipe with integrated rubber seal.
- Flush Pipe: 45mm diameter extension pipe with tiered cone seal.
- Finishers: A pair of chrome-effect bolt covers for a professional finish.
- Hardware: All necessary seals and washers for a watertight install.
Installation Note
This set is designed for standard 180mm or 230mm pan fixing centres. Pipes are supplied at a standard length and must be measured and cut precisely to match the depth of your wall finish (tiles/plasterboard) to ensure the seals seat correctly against the ceramic pan.



