How to Test a Pressure Switch Tuesday, January 29, 2019
An HVAC pressure switch is installed in both heating and cooling systems, and is a protective device. Under certain conditions which may hurt the system, the switch will open and cause the system to stop operating. Pressure switches are commonly tripped by occurrences like clogged vents or hoses, dirty filters or condenser coils. You may also want to test the pressure switch itself, if you are troubleshooting your system. Here PartsAPS will share tips to different issues one id how to test HVAC pressure switch and the second one is how to troubleshoot the Pressure switch if there is any problem. Before we start testing pressure switch let us know little bit about what pressure switch is.