Description
Keep your furnace or air-handler operating safely and efficiently with the YORK S1-024-35309-000 pressure switch — a genuine OEM part engineered to verify proper airflow or vacuum before allowing ignition or fan operation.
Key Features
- Precise negative-pressure sensing — triggers (closes) at approximately –0.35 inches water column (WC), ensuring the inducer or blower creates sufficient vacuum before the system proceeds.
- SPNO (Single-Pole, Normally Open) configuration — remains open until proper vacuum is detected; closes on pressure drop, making it ideal for safety interlock of ignition or blower circuits.
- OEM-spec, direct-fit replacement — manufactured by YORK, designed to match original system specifications, ensuring compatibility with furnaces and air-handlers that call for part number S1-024-35309-000.
- Compact and easy to install — compact form factor and standard vacuum-port & electrical terminal layout make swap-outs straightforward for most technicians or DIY-savvy homeowners.
- Safety & performance assurance — prevents ignition or blower operation when airflow or vent pressure is inadequate (e.g. blocked vent, failed inducer motor, clogged airways), helping avoid unsafe combustion or poor airflow conditions.
