wirsbo valves. One zone is not working..not heating at all. The valve seems to open up when thermostat is turned on but not heating room. Any suggestions?
Plumbing - Uponor Wirsbo - A3010526 Thermal Zone Valve - Radiant Heating, Four-Wire
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Answers & Comments
Are you able to isolate the Zone?
If you are able to isolate the Zone, is there anyway you can bleed air out of the system?
1) turn off the other zones and see if this one starts to heat up,
if not. Try to bleed Air out of the main header until it gets warm. If this does not work, do you have to manually add water or is it an auto fill system? Make sure that is working or manually add water.