Description
The York S1-024-39490-000 is a factory-specified pressure switch engineered to protect York HVAC equipment by monitoring system pressure and responding precisely when it matters most. Designed to activate on a rise in pressure, this switch trips at a setpoint of -0.26″ WC (water column), making it ideal for use in draft inducer and combustion air proving applications commonly found in York furnaces and air handling systems.
Product Overview
As a genuine York OEM replacement part, the S1-024-39490-000 ensures compatibility and reliable performance in the systems it was designed for. Pressure switches of this type are a critical safety component — they verify that proper airflow or pressure conditions exist before allowing ignition or continued operation, helping to prevent unsafe conditions and equipment damage.
Key Features
- Setpoint: -0.26″ WC (inches water column)
- Activation mode: Closes on pressure rise
- OEM York replacement part — direct-fit compatibility
- Critical safety component for furnace and air handler applications
- Helps ensure proper draft and combustion airflow verification
- Supports reliable ignition sequencing and system protection
Application
This pressure switch is commonly used in York residential and light commercial furnaces and air handling units. It works in conjunction with the draft inducer motor to confirm adequate venting and airflow before the ignition sequence proceeds. Replacing a faulty pressure switch with the correct OEM part helps restore proper system operation and maintain safety standards.
Why Choose OEM?
Using genuine York replacement parts like the S1-024-39490-000 ensures your equipment operates within manufacturer specifications, preserves warranty coverage where applicable, and reduces the risk of callbacks or premature component failure.
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