The York 272445, 9371VO-HS-0088, 472980/00249 Air Pressure Switch (1 Unit) is a genuine OEM component engineered for precise airflow monitoring and system protection in York HVAC equipment. Designed with a set point of 0.20" WC on fall, this single-pole normally open (SPNO) switch ensures reliable performance and accurate pressure control to maintain safe operating conditions. Built with durable materials and calibrated for consistency, it provides dependable operation for furnaces, air handlers, and other HVAC applications. Key Features Authentic York OEM air pressure switch 0.20" WC on fall set point for precise airflow control SPNO (Single Pole Normally Open) configuration Ensures safe system operation and ignition performance Reliable, factory-calibrated design for long-term stability Specifications Part Numbers: 272445, 9371VO-HS-0088, 472980/00249 Type: Air Pressure Switch Set Point: 0.20" WC on fall Switch Function: SPNO (Single Pole Normally Open) Application: Furnace / Air Handler pressure monitoring Quantity: 1 Unit Brand: York Compatible Models D1NQ036D05606NX D1HQ024D05606NX D2NX048D09046NX D1NQ048D09046 D2NY036D07246 D2NX048D09006NX D1HQ048D11006NX D1NQ036D07225 D6NQ036D05606NX D2NY048D09006 and more Why Choose This Item Choose the York 272445, 9371VO-HS-0088, 472980/00249 Air Pressure Switch (1 Unit) for OEM accuracy, reliable performance, and long-lasting durability. It?s the perfect replacement to restore proper airflow sensing and safety control in your York HVAC system.