The York 02436052009 (9370DD-HS-0014, 442480/00131) Air Pressure Switch is a factory-calibrated safety control switch designed to monitor and regulate air pressure within York HVAC systems. This precision component is set to activate at 0.63? WC, ensuring safe system operation by detecting proper airflow or combustion pressure before allowing ignition or fan operation. Built for reliability, it maintains system efficiency and safety in both residential and commercial units. Key Features: Genuine OEM York air pressure switch ensures compatibility and reliability. Activates at 0.63? WC for accurate airflow and pressure monitoring. Provides critical safety control for HVAC and furnace systems. Durable construction for long service life in demanding conditions. Prevents system operation under unsafe pressure conditions. Specifications: Part Numbers: 02436052009, 9370DD-HS-0014, 442480/00131 Type: Air Pressure Switch Set Point: 0.63? WC Contact Type: SPST (Single Pole, Single Throw) Function: Monitors and controls air or combustion pressure Application: Furnace, air handler, and packaged HVAC systems Manufacturer: York Compatible Models: P2UDD12P07601C, PBNULD12N080A, PBNULD20N140B, P2UDD20N13301C, PBNULD12P080B, XNU1112P080, PBNULD16P080C, P2UDD12N07601A, XNU1120P140, PBNULD20N140A, and more. Why Choose This Item: The York 02436052009 Air Pressure Switch offers dependable, accurate pressure detection to keep your HVAC system safe and efficient. As a genuine OEM component, it guarantees factory-calibrated performance, easy installation, and long-term reliability?making it the ideal replacement part for maintaining York system safety and performance integrity.