hello I need help.
our room thermostat is being over ridden by our h/w thermostat. h/w & c/h work ok independantly. but when the room stat is on and the h/w stat comes on then the c/h will not go off until the h/w stat turns off.the 3 way valve motor is working. thanks in advance!!
our room thermostat is being over ridden by our h/w thermostat. h/w & c/h work ok independantly. but when the room stat is on and the h/w stat comes on then the c/h will not go off until the h/w stat turns off.the 3 way valve motor is working. thanks in advance!!