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LG LMU180HE Air Pressure Switch
The main function of an air pressure type switch is to determine whether the air blower is doing what it is supposed to do. This is one of the vitally important safety hardware devices made to keep you safe. Various air pressure switches are equipped with a manual reset feature, which means it will have to be manually reset before the entire HVAC system will continue operating again.
Precursors that the Pressure Switch is Starting to Go Bad
- The set temperature is never attained.
- Furnace will not operate at all.
- Wrong volt range running through the switch.
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