Description
York OEM Replacement Air Pressure Switch
The York S1-025-53182-000 is a genuine OEM replacement air pressure switch engineered for use in York heating and air handling equipment. Designed with a 0 IWC (inches water column) set point and an “On Fall” switching action, this switch monitors system air pressure and activates when pressure drops below the set threshold — providing critical safety protection for your HVAC system.
How It Works
Air pressure switches are essential safety devices in furnaces and air handlers. The “On Fall” designation means the switch closes its circuit (activates) when sensed air pressure falls to or below the 0 IWC set point. This is commonly used to verify proper inducer motor operation and adequate draft before allowing ignition to proceed, helping prevent unsafe operating conditions.
Key Features
- Genuine York OEM replacement part — ensures fit, form, and function
- Set point: 0 IWC (inches water column)
- Switching action: On Fall (activates on pressure decrease)
- Designed for use in York furnaces and air handling equipment
- Provides critical safety interlock for draft and airflow verification
- Direct OEM replacement for simplified installation
Application
This pressure switch is intended as a direct OEM replacement for compatible York systems. Always verify compatibility with your specific model before installation. Consult your equipment’s service manual or contact a qualified HVAC technician for proper installation guidance.
Product Specifications
- Brand: York
- Part Number: S1-025-53182-000
- Set Point: 0 IWC
- Action: On Fall
- Type: Air Pressure Switch







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