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Carrier 38QR Air Pressure Switch
The reason for the existence of this type of switch is to see if the main blower is doing what it is supposed to do. This switch is a very critical piece of the collection of safety devices in place to keep you safe from potential hazards in the house. A good number of pressure switches today are issued with a manual reset feature, by which you must manually reset it before the HVAC system will continue.
Common Symptoms of a Failed Air Pressure Switch
- Incorrect voltage range running through the switch.
- Furnace can't ignite.
- The right temperature in the house is almost never attained.
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Before buying or purchasing any Carrier 38QR part, do your due diligence and double check the correct model as well as make a visual comparison so that you are positive that the correct air pressure switch is the one being purchased. If you are unsure about the correct way of installing the air pressure switch by yourself then it may be wise to find a professional in your area to do the replacement of the part.
Feel free to download your manual for help.
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