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Carrier P3 Air Pressure Switch
The primary function of the switch is to determine whether or not the air blower is blowing air. Some different switches are constructed with a manual reset, which, of course, means that it would have to be reset by hand or else the system will cease to function. This is one of many other devices designed to stop injuries or explosions.
What to Look Out for when your Pressure Switch is Beginning to Fail
- The furnace can't operate at all.
- The set temperature is rarely reached.
- Incorrect voltage range being read from the pressure switch.
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Before you decide on buying or ordering a new Carrier P3 replacement part, do your due diligence and cross-check the correct model and also make a visual inspection in order to be sure the correct replacement air pressure switch is the one being purchased. Once you have the part to install it yourself. Hire someone with experience locally to hire and install the part for you.
Feel free to download your manual for help.
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