The York 106680, 9371VO-HS-0068 Air Pressure Switch is a crucial safety component designed to monitor and regulate air pressure in HVAC systems. This OEM pressure switch activates at -0.50 on fall, ensuring proper system operation and preventing hazardous conditions in furnaces and air handling units. Key Features: OEM Part: Genuine York air pressure switch -0.50 On Fall Activation for precise pressure regulation Ensures Safe and Efficient HVAC System Operation Durable and Reliable Construction for long-term performance ?? Disclaimer This product is intended for professional use only. Installation by a certified technician is recommended. The seller is not responsible for improper installation, misuse, or any damage caused by self-installation. All trademarks and brand names mentioned in this listing belong to their respective owners. They are used for identification and compatibility purposes only. The product you receive will match the item shown in the photos. Please review all images carefully before purchasing.