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Heat Controller B-VMH09FC-1 Air Pressure Switch
The main function of this type of switch is to determine whether the primary air circulator is circulating the air as it should. The majority of pressure switches are programmed with a manual reset, which means it will have to be manually reset before the entire HVAC system will continue operating again. This pressure switch is one of many other hardware devices made to keep everyone in the house safe.
Clues that your Pressure Switch is Beginning to Go Bad
- Your furnace won't run.
- Inaccurate voltage running through the pressure switch.
- HVAC system does not get to the correct indoor temp.
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