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Carrier 38EZA048 Air Pressure Switch
The job of the switch is to figure out if the blower fan is circulating the air as it should. Various air pressure switches have a manual reset feature, which, of course, means that it would have to be reset by hand before the entire HVAC system will continue operating again. This is one of the vitally important safety aspects of the whole safety system that is intended to keep everyone in the house safe.
Important Signs that the Switch is Beginning to Fail
- Your furnace refuses ignite.
- Bad voltage range running through the pressure switch.
- The expected temperature in the house is almost never achieved.
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If you are going to be buying or purchasing do your best and double check the correct model and also make a visual inspection so that you are positive that the proper replacement air pressure switch is the one being purchased. HVAC pros may have higher labor rates than others so you may want to keep a lookout locally to acquire the best rate if money is a concern.
Feel free to download your manual for help.
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