York S1-024-27688-001 Switch 319847-401 a 2-watt resistor should be

a 2-watt resistor should be wired across the internal terminals to maintain air circulation and prevent moisture buildup

or a loud vibrating noise coming from the control compartment

process lines

always verify your unit's serial plate before installation to ensure exact fitment

York S1-024-27688-001 Switch 319847-401 a 2-watt resistor should beThe York S1 024 27688 001 Switch is a high performance OEM replacement low pressure switch engineered for precision sensing in residential and commercial HVAC systems. This single pole, normally open (SPNO) safety control is calibrated at a 0. 6 in. W. C. setpoint, providing critical protection for the compressor and blower assembly. Designed to meet strict York HVAC specifications, this pressure control monitors airflow and refrigerant levels to