78W57 | SPST .27"WC Pressure Switch | Lennox Sensor Type_Duct With a press union end

With a press union end connection

With its sturdy construction

this folding tool resists corrosion and wear

Ball Valve PP-RCT 1 Inch Lead Free NSF PTFE Seat Socket Fusion End

The kit includes all necessary components for a seamless replacement

78W57 | SPST .27"WC Pressure Switch | Lennox Sensor Type_Duct With a press union end**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