Suits Everhot unit 632275 an Rheem unit 631275 Controlling Thermostat: The controlling thermostat supplies power to the ignition control module, flue damper relay coil or combustion fan (depending upon model) when a call for heat is required. Depending upon date of manufacture the controlling thermostat may be a mechanical type or an electronic type. THIS ITEM IS A SPECIAL ORDER AND MAY NOT BE ABLE TO BE RETURNED FOR CREDIT.
