Whether used for blower motor control

ensuring that the root cause of the vent blockage or thermal excursion is diagnosed and corrected before system restoration

protecting thermal expansion valves and capillary tubes from debris

The relay is rated for 13

it delivers the static pressure required to pull heat effectively through dense coil fins

York S1-024-35275-000 Pressure Switch Els PW 17895 Whether used for blower motorThe York S1 024 35275 000 is an OEM specified negative pressure switch engineered for critical combustion airflow verification in forced air furnaces. This component features a precise 0. 35" WC set point and is configured as a single pole normally open switch (SPNO) designed to close on fall. It serves as a direct S1 024 35275 000 replacement for York, Luxaire, and Coleman systems, and it is identical to 9371VO HD 0011. For technicians