Possible cause 1: It is mounted pressure reducing valve, water meter or tight setbackvalve on the main water intake of the residence. Alternatively, the cold water pressure is in the home too high during the day.
Solution: Install AX expansion tank which takes up expansion during heating and mounting / adjusting pressure reducing valve for stable water pressure into the home. Pressure reducing valve adjusted in relation to the expansion vessel preprint (usally 5 bar). Contact authorized installer.
Possible cause 2: The heaters safty valvel is worn or there are particles between membrane and valve seat due to unclean water.
Solution: try to flush through the savfty valve with water. Open the valve for about 1 minute. If the valve is stil dripping after closing the valve must be replaced. Contact authorized installer.
Possible cause 3: leakage by electric heating element.
- Break electrical supply
- Unscrew the lid in front of the electrical exchange
- Visually check if the leak comes from the heating element.
Solution if YES: change gasket / heater. Contact authorized installer.