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Carrier 38YZA048 Air Pressure Switch
The main function of the switch is to figure out if the primary air circulator is on and running. Most air pressure switches are designed with a reset that is manual instead of automatic, from which the switch will have to be manually reset before the system will continue its normal operation. This is part of a small, but important collection of safety creations designed to keep you from harm.
Symptoms that the Pressure Switch will Soon Fail
- The set temperature indoors is never reached.
- Your heating and cooling system refuses to function properly.
- Inaccurate volt reading.
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Before buying or purchasing, do your due diligence and make sure of the model number and also make a visual inspection so that you are positive that the right air pressure switch is the one being purchased. You do not need to install it yourself. Search for a pro in your area to do it for you.
Feel free to download your manual for help.
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