We do NOT use the A/C in our RV, so any replies suggesting anything related to the A/C won’t be applicable. Our Rv is permanently parked, living full time. We have window units installed.

The ONLY thing we need is heat control. My understanding is that a residential thermostat will be more accurate. I just want to make sure it’s possible to install a residential thermostat in this ancient things place.


No and yes. The thermostat pictured connects to another device call a ECC. The ECC has two wires that you can connect a basic furnace thermostat to. If you look at the ECC you will find a connection that is marked heat. The ECC can handle two furnaces. If you connect the two wire going to your furnace together the furnace will come on. Don’t do this to the air conditioning connectors.

A diagram of how they connect together.


J4 is your furnace connectors.

You cannot use a thermostat the requires power from the furnace. I use this one.


Just a little tidbit. I think home thermostats are 24V, while RV thermostats are 12V. This may be an overgeneralization, but something to check.

Source: 1995 Fleetwood Bounder. Can this thermostat be replaced with a standard residential (please read below for details)

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