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Carrier 39LB Air Pressure Switch
The main function of the switch is to sense whether the main blower is running properly. This switch is a vital device of the safety system in place to keep you safe and keep your family safe. Some pressure switches are constructed with a manual reset, from which it would have to be reset manually or the entire system will not run.
Common Indications of a Nearly Failed Air Pressure Switch
- The right temperature in the house is almost never fully achieved.
- Furnace can't operate at all.
- Inaccurate electrical voltage being used by the switch.
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