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International Comfort Products H9MPT125L20B1 Air Pressure Switch
The main function of an air pressure type switch is to figure out if the primary blower is running. This pressure switch is one of the key safety creations designed to keep you safe. The majority of pressure switches are programmed with a manual reset, from which it would have to be reset manually before the entire HVAC system will continue operating again.
Clues that your System Pressure Switch is Failing
- The correct temperature indoors is almost never achieved.
- Wrong electrical voltage reading from the switch.
- The furnace won't ignite the gas.
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