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Carrier 48XP036060300 Air Pressure Switch
The main function of the pressure switch is to sense if the primary blower is actually running. Some pressure switches are equipped with a manual reset feature, by which you must manually reset it or the entire system will not run. This is just one of many safety creations designed to keep you from harm.
Warning Signs that the System Pressure Switch is Beginning to Go
- Inaccurate electrical voltage reading from the switch.
- Furnace will not ignite.
- The expected temp is rarely achieved.
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