My problem with an old geberit twico is noise. Frequently flushing produces a low vibration noise during inital flushing. It is a recent but intermittant noise . I have taken the valve cylinder off but can see no obvious problem. I turned the rubber valve seal over but problem still there. The...
Simond,
I have a Glow worm hxi30 2 years old. Definely too big , my gas usage now 25% higher than before when I had a nettaheat 16/22. Consumption monitored over 4 years.
Can I downsize this Glowworm with software? Who can do this for me?