Honeywell CT87B ROUND HEATING&COOLING MECHANICAL THERMOSTAT - WHITE Heater "wiring thermostat" Questions

Honeywell T882 Chronotherm Clock Thermostat needs replacement What replacement thermostat by Honeywell will work. Four wires - two from transformer by electric box to thermostat then two wires from ...

...thermostat any one have a wiring diagram? It is technically possible use a 2-wire thermostat with a 3-wire zone valve, but you need a single pole, double throw relay like a fan control relay with one ...

Wiring a Dayton Greenhouse Thermostat to control an exhaust fan Previous greenhouse owner left me with a Dayton Thermostat. It has three screws where wires can be attached. I read that wires are ...

wiring? you have to go down to your furnace and follow the thermostat wire ...it connects to a terminal strip or fan centre...the color doesn;t really matter...installers mix and match all the time...

...wiring colors but your system may not be common and different colors could have been used. Green to the thermostat G terminal. This is the color that controls the fan or the relay that control of the ...

No heat after installing honeywell thermostat H8110U installing honeywell thermostat H8110U with goodman unit, the heat is not coming on. The unit on side of house kicks on but nothing inside comes on

...wiring wrong? Is this particular thermostat not compatible with my ancient oil burner? sounds like you've got bear wires touching at the new tstat is the j2 jumper on the backside of the display set ...

williams wall heater, lite pilot and heater comes on okay, but will only come off when I disconnect the thermostat? If you have to disconnect the thermostat wire at the gas valve then it is either a ...

My Janitrol GU125-4 furnace will not shut off; cannot be turned off at thermostat, and heats the house to 80 degrees. I have to cut it off at the breaker. What is the fix? Hi, it sounds like you may ...

I am replacing old 220 volt thermostat with a programable 220 volt thermostat. There are 6 wires in the box. (3 black & 3 red) There are only two black wires on the new thermostat. On the old ...