Field Efficient: Simplifies the upgrade process on 1-inch to 2-inch valve sizes

As an OEM Williams replacement part

What is the difference between the Sensus Green and Silver springs

Ensures system safety and efficient operation

It features two setpoint windows

York S1-024-35268-000 Switch Els PW 17895 Field Efficient: Simplifies the upgradeThe York S1 024 35268 000 is an essential OEM dual stage air pressure switch designed for precision monitoring of combustion airflow in high efficiency York, Coleman, and Luxaire gas furnaces. This SPNO (Single Pole Normally Open) control is calibrated with two distinct setpoints: . 70" WC and 1. 25" WC, facilitating precise communication between the inducer motor and the ignition board during multi stage heating cycles. Built to close on fall, it