78W57 | Lennox 101572-04, Pressure Switch, Actuates at 0.27" W.C.; Green Label | Lennox Temperature_-20 to 150DEG F Technical Specifications: Diameter: 9 inches

Technical Specifications: Diameter: 9 inches Voltage: 24V Type: Spring Return Material: Galvanized Steel Applications: HVAC Systems

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78W57 | Lennox 101572-04, Pressure Switch, Actuates at 0.27" W.C.; Green Label | Lennox Temperature_-20 to 150DEG F Technical Specifications: Diameter: 9 inches**Lennox Single Pole, Single Throw (SPST) 78W57 Pressure Switch** The Lennox 78W57 is a reliable and robust SPST pressure switch designed to monitor and control pressure systems in industrial settings. Its versatile design makes it suitable for various applications, including HVAC, refrigeration, and hydraulic systems. With a pressure range of 0. 03 to 0. 27 inches of water column (WC), this switch provides precise pressure monitoring and control. Its