Can this switch be used to control the heater on a broan 655 light/fan/heater unit? I have a double-gang box with two switches, one for the light and one for the fan. Then I have a separate single-gang box with a thermostat in it to control the heater. I would like to replace the old thermostat control with the 61W so that the heater is on a timer instead of on a thermostat.