The 586WA-6ST is a standard shut-off valve without an integrated Schrader valve

250-inch female quick-connect terminals for secure

including the widely used V4043 and V8043 models

If the pressure exceeds the 150 psi set point during the heating cycle

the limit is likely faulty

York S1-024-23285-700 Pressure Switch Els PW 17895 The 586WA-6ST is a standardThe York S1 024 23285 700 is an OEM spec differential pressure switch designed for precision monitoring within York, Coleman, and Luxaire gas fired furnaces. This SPST switch is factory calibrated to a 0. 53" WC setpoint, serving as a critical safety interlock that verifies the furnace draft inducer is moving sufficient combustion air before allowing the ignition sequence to proceed. It features a standard 1 4" barbed connection for easy integration