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Mitsubishi MSH-09NV Air Pressure Switch
The main job of this type of switch is to sense whether the main blower is actually running. This pressure switch is one of the most crucial mechanisms designed to keep you safe. Some pressure switches are equipped with a manual reset feature, which means it would need to be reset in order for the HVAC system to continue running.
Signals that the Air Pressure Switch is Beginning to Go Bad
- Bad voltage reading.
- Your furnace will not ignite.
- HVAC system does not reach desired indoor temperature.
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