York S1-024-18785-700 Control Relay ensuring the compressor is protected

ensuring the compressor is protected from excessive system pressures that could lead to catastrophic failure

20" WC set point

How do I troubleshoot a York rollout switch that keeps tripping

though you should always verify the specific FLA/LRA of your compressor against the manufacturer's data plate

AC evaporators

York S1-024-18785-700 Control Relay ensuring the compressor is protectedThe York S1 024 18785 700 Control Relay is an OEM replacement part designed for precise electrical circuit management in commercial and residential HVAC systems. Functioning as a heavy duty electromechanical switch, this 24V service relay is engineered to interface between low voltage control circuits and high voltage load components. This allows for the reliable activation of motors, compressors, and heating elements while isolating sensitive control