York S1-024-35261-000 Pressure Switch it is best practice to

it is best practice to use it as an exact York replacement part to maintain the original circuit design and safety specifications

While primarily designed for steam to dissipate heat

the 240VAC rating typically covers standard 208/230V residential and commercial applications

Verify the MFR # P320911A before installation to ensure electrical and mechanical matching with your specific fan speed regulation unit

common in WSC and YSC series rooftop units

York S1-024-35261-000 Pressure Switch it is best practice toThe York S1 024 35261 000 Pressure Switch is a critical safety component designed for precise monitoring of combustion air and exhaust gas flow within high efficiency HVAC systems. This 1" WC SPNO (Single Pole Normally Open) switch is engineered to close on fall, ensuring that the inducer motor maintains proper static pressure before the ignition sequence initiates. As a direct OEM replacement part, this unit serves as the updated cross reference for