York S1-024-35311-000 Pressure Switch check the DC voltage between

check the DC voltage between the signal and ground wires

flame-retardant box and utilizes screw terminals to ensure secure

Constructed with high-grade stainless steel terminals

it prevents unnecessary system lockouts and ensures safe furnace operation

tool-free installation on valve armatures

York S1-024-35311-000 Pressure Switch check the DC voltage betweenThe York S1 024 35311 000 Pressure Switch is a critical safety component designed for precise monitoring of draft inducer blower performance within gas fired heating systems. Engineered with a factory calibrated 0. 65" WC trip point, this Single Pole Single Throw (SPST) switch ensures the combustion process only initiates when proper venting pressure and airflow are verified. It features a standard 1 4 inch barbed connection for seamless integration