The York 106123 (9371DO-HS-0011, 520238/01021) Air Pressure Switch (1 Unit) is a genuine OEM component designed to monitor airflow and pressure within York HVAC systems. This Single Pole Normally Open (SPNO) switch activates at a pressure drop of 1.20" WC on fall, ensuring reliable system safety and operational control in furnaces and air handlers. Key Features Genuine York OEM air pressure switch 1.20" WC on fall activation point for precise airflow monitoring Single Pole Normally Open (SPNO) configuration Ensures safe, efficient furnace and HVAC operation Durable construction for dependable performance under high-demand conditions Specifications Part Numbers: 106123, 9371DO-HS-0011, 520238/01021 Type: Air Pressure Switch Operation Pressure: 1.20" WC on fall Contact Type: SPNO (Single Pole Normally Open) Application: HVAC airflow and safety control Brand: York Compatible Models GF9S060B12UP11A GY9S100C16UP11A FG9A04010UP11C GM9S080C16UP11A FL9S120D20UP11A GY9S080B12UP11A G9T04008DHA13B PS9D20N120UP11 GY9S120D20UP11A FC9S120D20UP11A and more Why Choose This Item Choose the York 106123 Air Pressure Switch (1 Unit) for accurate pressure detection and enhanced system reliability. As a genuine OEM component, it guarantees precise operation, compatibility, and safety assurance for your York heating and cooling system.