57M66 | Lennox 57M6601, Pressure Switch, Actuates at 1.41" W.C. | Lennox

1.41"wc SPST Pressure Switch (57M66) by Lennox. This pressure switch is designed for use in a variety of applications, including HVAC systems, compressors, and other industrial equipment. It features a 1.41"wc set point, a SPST contact configuration, and a durable construction that is designed to withstand the rigors of industrial use. The switch is also easy to install and maintain, making it a great choice for a variety of applications. Our HVAC supply store offers the best prices and fast shipping for your products!