Manufacturer Name: Lennox Product Number: 10U93 OEM Part Number: 10U93 Product Description: .65"Wc Spst Pressure Switch Weight:0.24lbs/108.86g The Lennox 10U93 SPST Pressure Switch is a single-pole, single-throw device designed to monitor pressure levels. It operates at a 0.65-inch water column, ensuring precise control in HVAC systems for efficient operation and safety. https://www.partshnc.com/65wc-spst-pressure-switch-4