York S1-024-25006-701 Pressure Switch

The York S1-024-25006-701 Pressure Switch is a mission-critical safety component engineered for precise draft verification in gas-fired furnaces. This OEM York replacement part is factory-calibrated to a set point of -1.50" WC (Water Column), ensuring the ignition sequence only proceeds when the inducer motor creates sufficient negative pressure. Featuring a standard 1/4" barbed connection for a secure vacuum seal and a Single Pole Single Throw (SPST) electrical configuration, this switch integrates seamlessly with Johnson Controls, Coleman, and Luxaire control boards. Designed to withstand the thermal cycling inherent in residential and light commercial heat exchangers, it provides technicians with a reliable solution for resolving pressure switch stuck open errors. Monitoring the HVAC air pressure switch status is vital for maintaining system efficiency and equipment safety. Contractors should verify the vacuum hose integrity and inducer port clarity when installing this -1.50 IN WC rated component to ensure consistent performance.

• Factory-Calibrated Precision: Fixed -1.50" WC trip point eliminates the need for field adjustments.
• Robust SPST Design: Reliable internal contacts rated for low-voltage furnace control circuits.
• Universal 1/4-Inch Port: Standard barbed fitting compatible with most OEM vacuum tubing.
• Direct OEM Compatibility: Guaranteed fit for specific York, Luxaire, and Coleman furnace models.

What causes a -1.50" WC switch to fail to close? Beyond a faulty switch, technicians should check for a restricted vent pipe, a failing inducer motor, or a clogged condensate trap, as these prevent the system from reaching the -1.50" WC threshold.

Can this switch be used in positive pressure applications? No, the York S1-024-25006-701 is specifically designed for negative pressure sensing (vacuum) on the combustion air side.

How do I test the S1-024-25006-701 in the field? Use a digital manometer in series with a specialized pressure switch tester or the inducer vacuum line to verify the exact point where the electrical contacts achieve continuity.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.