50F06-843, Universal Furnace Electronic Fan TimerWhite Rodgers 50F06 843 Universal furnace electronic fan timer for non integrated single stage furnaces. Features: Universal Furnace Electronic Fan Timer control for single stage furnaces with PSC inducer and blower motors Works with non integrated furnace controls or intelligent gas valves Six mounting hole options Harnesses with terminal flags for easy wiring Terminals are labeled to match multiple existing boards Transformer connections offer 1 4