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Friedrich P12B Air Pressure Switch
The main function of the pressure switch is to determine whether the blower fan is running properly. The vast majority of pressure switches made today are programmed with a manual reset, which, of course, means that it would have to be reset by hand in order for the HVAC system to continue running. This switch is one of the vitally important safety hardware devices made to keep you safe.
How do you Know when the HVAC Air Pressure Switch is Starting to Go Bad
- The furnace can't operate at all.
- Bad voltage being read from the pressure switch.
- The correct temperature in the house is hardly ever fully achieved.
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If you are going to be buying or ordering a new Friedrich P12B replacement part, do your due diligence and make sure of the correct model and also make a visual comparison in order to be sure the proper replacement air pressure switch is the one being purchased. If you are unsure about the installation of the air pressure switch by yourself then it would be in your best interest to consult a pro to do the replacement of the part.
Feel free to download your manual for help.
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