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Friedrich P12B-A Air Pressure Switch
The main job of the air pressure switch is to sense whether the blower is on and running. This pressure switch is just one of many mechanisms designed to keep you from harm. Some pressure switches may have a reset feature that is manual, which means it would need to be reset before you can continue using the system.
Signs that your Switch will Fail Soon
- Incorrect electrical voltage running through the pressure switch.
- Your furnace can't operate.
- HVAC system does not reach desired temperature as set by the thermostat.
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Before buying or purchasing a replacement air pressure switch for your Friedrich P12B-A, do your due diligence and double check the correct model as well as make a visual inspection so that you are positive that the proper replacement air pressure switch is the one being purchased. Once you have the part to install the part by yourself. Locate a pro in your community to replace the part.
Feel free to download your manual for help.
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