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Carrier 38TRA042 Air Pressure Switch
The function of an air pressure type switch is to determine whether or not the primary blower is blowing air. Some pressure switches are programmed with a manual reset, from which it would have to be reset manually before the system will continue its normal operation. This switch is an important part of the safety system in place to keep you safe from injury or explosions.
Important Signs that the Air Pressure Switch will Fail Soon
- Your furnace will not operate.
- Inaccurate voltage range reading from the switch.
- The correct temp is almost never achieved.
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If you are going to be buying or purchasing, do your due diligence and double check the correct model and also make a visual comparison so that you are positive that the correct air pressure switch is the one being purchased. Once you have the part to install it yourself. Pay a professional in your community to do the job for you.
Feel free to download your manual for help.
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