The Honeywell 30755306-501 Relay is a specialized electro-mechanical relay engineered for precise switching within Honeywell UDC3200 and UDC2500 Universal Digital Controllers

the 660598R is the specific professional-grade successor designed to replace the 660598 without modification to the existing housing

Fail-Safe Operation: The normally open configuration ensures continuous flow if pneumatic pressure is interrupted

single-phase power

Amana-Goodman 0130M00197 Defrost Thermostat R-407C The Honeywell 30755306-501 Relay isThe Amana Goodman 0130M00197 Defrost Thermostat is a precision engineered OEM HVAC replacement part designed to maintain the peak efficiency of your heat pump system. As a critical component in the defrost control circuit, this thermostat accurately monitors the outdoor coil temperature to initiate and terminate the defrost cycle. By preventing excessive ice buildup on the coils, the Goodman 0130M00197 ensures your HVAC system maintains optimal heat