The Hunter 40120 is the correct thermostat for the following applications:
The Hunter Electronic Heat Only Thermostat 40120 is a replacement thermostat for most gas, oil, electric, or forced hot water heating systems. This thermostat control DOES NOT control heat pump systems, high voltage electric baseboard, electric ceiling or multi-stage heating systems. This electronic thermostat is mercury-free and indicates room temperature. This heat only thermostat can easily be installed in approximately 30 minutes and features snap-action micro-switching for your convenience.
Hunter Electronic Heat Only Thermostat 40120 specifications: