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The RVer's Open Forum / TECHNICAL RV HELP / Replacement furnace thermostat

BamaJRay
User ID: 9739563 Jan 8th 3:52 PM
Everything on the heater/thermostat says Coleman. The heater model number is 4312 and the thermostat has Coleman part number 4312-322, 12vdc and W-R1D30-358, class 2. This is a 1978 pop-up. The heater is working fine, or seems to be, but the cover supports for the thermostat cover are broken and it won't stay on the base. I just want to find a new stat.

Jerry

Chris Bryant
User ID: 0756324 Jan 8th 5:20 PM
You should be able to find a replacement at a hardware/ home center type place. The most common is a White Rodgers model 7200. The main thing to look for is mechanical contacts, rather than a mercury switch (which needs leveling).
A lot of people have installed a Hunter electronic thermostat from a major discounter- not too expensive, but might be overkill for furnace only

The main other thing to look for (other than no mercury switch- or "no leveling required") is that it will work on 24 volt *or* millivolt systems.

--Chris

BamaJRay
User ID: 9739563 Jan 9th 10:19 AM
Chris,

Thanks for the info. I will start looking for one today.

Jerry

BamaJRay User ID: 9739563	Jan 8th 3:52 PM Everything on the heater/thermostat says Coleman. The heater model number is 4312 and the thermostat has Coleman part number 4312-322, 12vdc and W-R1D30-358, class 2. This is a 1978 pop-up. The heater is working fine, or seems to be, but the cover supports for the thermostat cover are broken and it won't stay on the base. I just want to find a new stat. Jerry
Chris Bryant User ID: 0756324	Jan 8th 5:20 PM You should be able to find a replacement at a hardware/ home center type place. The most common is a White Rodgers model 7200. The main thing to look for is mechanical contacts, rather than a mercury switch (which needs leveling). A lot of people have installed a Hunter electronic thermostat from a major discounter- not too expensive, but might be overkill for furnace only The main other thing to look for (other than no mercury switch- or "no leveling required") is that it will work on 24 volt or millivolt systems. --Chris
BamaJRay User ID: 9739563	Jan 9th 10:19 AM Chris, Thanks for the info. I will start looking for one today. Jerry