Dial 7617 Cooler Controller, Digital, For: Evaporative Cooler Purge Systems

Designed for use with 1/3, 1/2,3/4 and 1 hp, 1-speed and 2-speed, 115 V and 230 V cooler motors. Mounts in either a standard single 2x4 or double 4x4 gang electrical box. Unit automatically resets to 77 deg in the event of a power failure.