Copeland 940-0181-00 Relay Kit 318973-401 the contacts are likely oxidized

the contacts are likely oxidized or the coil has an open winding

Key Benefits for Contractors Universal Power Compatibility: Operates on 24Vac or 24Vdc

This 1/2" NPT valve is rated for pressures up to 0

Key Benefits Drop-in replacement for legacy SM185S4RA models with identical footprints and Rotolock port alignments

this valve includes an externally equalized 1/4" ODF connection to compensate for evaporator pressure drop

Copeland 940-0181-00 Relay Kit 318973-401 the contacts are likely oxidizedThe Copeland 940 0181 00 Relay Kit is an essential OEM component designed for high reliability commercial refrigeration defrost control. As a critical HVACR defrost relay kit, this assembly manages the precise timing and execution of defrost cycles in systems utilizing heat pumps or low temperature evaporators. Engineered with durable copper connections, the relay is built to withstand rigorous field conditions, operating within an ambient temperature