York S1-024-35780-000 Pressure Switch Direct Circuit Protection: Specifically rated

Direct Circuit Protection: Specifically rated at 12A and 250V to match the exact specifications of the Ultra series control board

Constructed from high-grade galvanized steel for maximum corrosion resistance and durability

Is this a normally open or normally closed relay

ensuring stable phase-shift and torque during startup and continuous operation

While universal kits exist

York S1-024-35780-000 Pressure Switch Direct Circuit Protection: Specifically ratedThe York S1 024 35780 000 Pressure Switch is a critical safety component designed for precise HVAC draft inducer motor monitoring. This SPNO (Single Pole Normally Open) switch features a fixed set point of 1. 0" WC (Water Column), engineered to close on a fall in pressure. As an authentic OEM York replacement part, it ensures exact calibration for residential furnaces and package units, maintaining the necessary pressure differential for safe