Installation of Geberit Sigma40 Installed in no time
The particularly slim flush plate Geberit Sigma40 flush plate comes with a new fastening system. For plumbers, the new snap-in mechanism offers the usual simple, tool-free installation – also when replacing a plate.
The new fastening system of the Geberit Sigma40 flush plate not only meets the requirements for minimal plate depth but also enables intuitive handling by the installer. The new snap-in mechanism provides simple installation without any tools.
“Replacing an old Sigma actuator plate with a new Sigma40 is done in a flash – and without any tools,” says David Oswald, master plumber and application engineer at Geberit. He backs up his words with a practical demonstration in a customer's bathroom.
Step-by-step installation guide for Geberit Sigma40







The customer's bathroom before and after
The Sigma40 flush plate, with its brushed stainless-steel surface, brings elegance to the bathroom and becomes a true eye-catcher in the toilet area.


Frequently asked questions about the installation of Geberit Sigma40
What finishes and colours are available?
Geberit Sigma40 offers a variety of design options. Both square and round versions are available in a choice of materials, from brushed stainless steel in various colours through to glass finishes and coated steel in different colourways.
Which cisterns does the Sigma40 work with?
The Geberit Sigma40 flush plate is designed to work exclusively with Geberit Sigma concealed cisterns. It is not compatible with Omega, Delta or Alpha series cisterns. If you’re installing Sigma40, ensure the concealed cistern within the Geberit installation frame is part of the Sigma range to guarantee proper fit and functionality.
Is the installation of Sigma40 a one-person job or do I need help?
The new snap-in mechanism of Sigma40 offers the usual simple, tool-free installation that can be handled by one person.
Can Sigma40 be fitted on back-to-wall and wall-hung frames?
Yes. The Geberit Sigma40 flush plate can be fitted on both wall-hung WC frames and back-to-wall installation frames, provided they use a Geberit Sigma concealed cistern. It is not suitable for frames with Omega, Delta or Alpha cisterns. Always confirm the cistern belongs to the Sigma range to ensure proper compatibility and functionality



