Reznor 197030 High Altitude Pressure Switch 0.40"-WC

The Reznor 197030 High Altitude Pressure Switch 0.40” WC is used to measure and regulate pressure in HVAC systems in high altitude areas. It has the pressure capacity of 0.40" of water column. It works through the variation of pressure and makes some changes to maintain efficiency and security. This pressure switch is widely applied in gas fired heaters, furnaces, and boilers to make sure a stable air flow and improve the system performance. This capability of the part makes it suitable for use in residential, commercial, and industrial HVAC applications.