Extended Electrical Compatibility: Multi-tap voltage capability from 120V to 277Vac supports a broad range of industrial and commercial equipment

it is designed for seamless integration into commercial refrigeration and air conditioning racks

it serves as a primary refrigeration limit switch or ambient temperature sensor to ensure the compressor and fan cycles maintain optimal setpoints without drifting

the switch will open the circuit to prevent damage

Its single-pole configuration allows for a secondary shunt to maintain a constant feed for crankcase heaters

Lennox 22W04 Blower Relay 320788-704 Extended Electrical Compatibility: Multi-tap voltageAs a field tested HVAC blower relay replacement, the Lennox 22W04 is a critical component for managing indoor blower motor operations. This Double Pole Single Throw (DPST) relay is engineered to handle high power hardware sequences using low power 24V thermostat signals. Whether you are troubleshooting an air handler blower motor that won't engage or a furnace that stays on after the call for heat has ended, this OEM part provides the precise