Amana-Goodman 10207903 SPST Pressure Switch 1.2" WC

The Amana-Goodman 10207903 SPST Pressure Switch is a element of the HVAC systems because its main function is to manage the pressure in these systems. It works on a single-pole single throw mechanism, which means it has one contact that is normally open and it will close when the pressure of the system is above a certain set point. This pressure switch is normally in applications where it is necessary to minimize pressure build up like in refrigeration systems, air conditioners and heat pumps. When the pressure within the system activating the switch. It can cause a number of actions that include turning off a compressor, sounding an alarm or opening a relief valve to relieve pressure.