The 354081 is the replacement sensor probe only

single throw (SPST) contact configuration rated for up to 50A

utilizing advanced microprocessor logic to ensure precise timing

maintaining the structural integrity of the burner's flame path

this heavy-duty relay is activated by a standard 24V coil

York S1-024-39716-000 Pressure Switch 322057-301 The 354081 is the replacementMaintain precise combustion control and system safety with the York S1 024 39716 000 Pressure Switch. This genuine OEM replacement part is factory calibrated to a 0. 20" WC (Water Column) set point, specifically engineered for induced draft furnace draft monitoring. As a critical safety interlock, it verifies that the combustion blower is moving sufficient air to exhaust flue gases before allowing the ignition sequence to proceed. It is a direct fit