78W57 | SPST .27"WC Pressure Switch | Lennox Product Type_Short IPS Plastic Coated 48PC Our HVAC supply store offers

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78W57 | SPST .27"WC Pressure Switch | Lennox Product Type_Short IPS Plastic Coated 48PC Our HVAC supply store offers**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