Hydrolevel OFC-5023 Fan Timer Control

The Hydrolevel OFC-5023 fan timer control is a reliable universal oil furnace fan timer for 2- or 3-speed PSC blower motors. Operating on 120 VAC, 60 Hz input, it offers field-adjustable blower on/off delay and counterflow settings, easy-to-read status LEDs, and industry-standard wiring terminals and relays. It serves as a direct replacement for UTEC models 1158-100, 110, and 120 and Resideo ST9103A.