Intermatic 178T24 Freeze Protection Thermostat

This replacement sensor is designed to protect the pool and spa equipment and plumbing against freeze damage. It will turn the pump on when the outdoor ambient temperature drops below the temperature set on the adjustable thermostat knob. Specs - Thermostat Knob and Wiring (Mechanism and Relay Unit Not Included) - 120/240 V Installation - 1.5-3 HP Rating - 45-degrees to 32-degrees with 5 degree increments