The Hussmann 1804291 Relay Compressor helps control electrical power to compatible refrigeration compressor systems for reliable cooling operation. This replacement compressor relay is rated for 120V and is designed to work within the refrigeration system’s electrical control circuit. During operation, the relay responds to the control signal and switches power to the compressor as re... https://partsfe.ca/relay-compressor-120v-for-hussman-part-1804291