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Carrier 38BRC036 Air Pressure Switch
The actual job of the air pressure switch is to see if the main blower is actually running. An air pressure switch is just one of many mechanisms designed to stop injuries or explosions. A lot of 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.
Signs that the Air Pressure Switch is Failing
- Inaccurate voltage running through the pressure switch.
- The furnace won't ignite.
- The expected temp is hardly ever attained.
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If you are going to be buying or ordering do your best and make sure of the model number as well as make a visual inspection so that you are positive that the proper replacement air pressure switch is the one being purchased. There is no rule that says you have to replace the part all by yourself. Hire someone with experience in your area to do it for you.
Feel free to download your manual for help.
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