View Single Post
Old 06-12-2011, 08:22 AM   #2
Nebe
Registered User
iTrader: (0)
 
Nebe's Avatar
 
Join Date: Sep 2003
Location: Libtardia
Posts: 21,692
Sounds like a bad control valve. To isolate it, switch another thermostat that you know works and see if it operates the valve. If it does, your thermostat is broken. If nothing changes it's your valve.
Posted from my iPhone/Mobile device
Nebe is offline   Reply With Quote