The A.J. Antunes 8101111202 is a high-quality pressure switch designed for precision and reliability in HVAC and industrial applications. It features a pressure range of 2 to 20 inches water column (WC) and an open-high configuration for effective monitoring and control. With a 1/4-inch NPT connection, it ensures easy integration into various systems. https://www.partshnc.com/8101111202-aj-antunes-220-wcopenhi-mr-14-npt