Anthony asked ... Can a crack be repaired?    |    adrew asked ... Radio no sound?    |    Wayne asked ... Kd14ss program button?    |    Suzanne asked ... Programme timer?    |    J Smithe asked ... Goodman’s X pro recorder?    |    Click here to ask your question

How doI adjust the fill height in the Geberit system?

I just had a plumber replace the washer in my new Geberit inlet valve but now the tank overflows for several seconds until the inlet valve closes. Basically the water level is set too high. How do I adjust this?
Puggsley2, September 2011