78W57 | Lennox 101572-04, Pressure Switch, Actuates at 0.27" W.C.; Green Label | Lennox Temperature_-20 to 150DEG F Trust us for the best

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**Hot Water Coil for 60MBXB/HBXB 320-591** This hot water coil is a crucial component for the 60MBXB/HBXB system

78W57 | Lennox 101572-04, Pressure Switch, Actuates at 0.27" W.C.; Green Label | Lennox Temperature_-20 to 150DEG F Trust us for the best**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