It is designed for low-voltage control circuits typically operating at 24V

Contractor Grade: Utilizing an enclosed diaphragm design

Low Power Draw: The 24V coil is optimized for standard Class 2 transformers

Common Questions Is this harness compatible with all York compressors

including air conditioners

York S1-024-21218-700 Relay It is designed for low-voltageThe York S1 024 21218 700 Relay is a heavy duty 24V SPST Relay designed for reliable low voltage control switching across York, Coleman, and Luxaire HVAC platforms. Engineered for precision performance, this Single Pole Single Throw relay functions as a critical HVAC control relay, managing high power components like blower motors, compressors, and heat pump reversing valve assemblies. For technicians troubleshooting intermittent signal loss or coil