Trane SWT2522 Normally Closed Pressure Switch SPST 1.15" WC

The Trane SWT2522 is an Pressure Switch, a single pole single throw switch and as such it has only one normally closed contact of HVAC system. This switch is activated by a pressure differential of 1.15” of the Water Column. It works based on pressure variation within the HVAC system, and turns on or off components. It is widely used in the control of fans, compressors, and dampers depending on the pressure conditions of the system. Advantages of this change include increased system effectiveness, better safety, and lower energy consumption because the system is adjusted according to the existing pressure conditions.