Grohe AV1 New Style Pneumatic Toilet Cistern Flush Valve 38735000 Push Button If your Geberit inlet valve

If your Geberit inlet valve won't shut off properly it could very well be that the diaphragm washer inside of the valve needs to be replaced

This button is commonly found in some VitrA cisterns

the soft close mechanism tends to loosen

The S44R syphon from Thomas Dudley is an ideal replacement in most high or low level lever operated ceramic or concealed cisterns

This button requires a 16mm hole is used with the shroud and at least a 35mm hole if used without the shroud

Grohe AV1 New Style Pneumatic Toilet Cistern Flush Valve 38735000 Push Button If your Geberit inlet valveWith the Grohe AV1 flush valve's design you need not worry about removing the entire cistern to service the valve in future, just simply pull the valve upwards and the whole top mechanism just lifts right out. All that is needed then is to simply clip the new valve into place, set the float to your desired height, connect any other mechanisms that you need to and you're ready to go. Please note: The valve does not include a replacement socket for the