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International Comfort Products T8MPN125J20B1 Air Pressure Switch
The primary function of the pressure switch is to sense whether the main blower is running. An air pressure switch is part of a small, but important collection of facets of the HVAC safety checks that are dedicated to keep you safe. Most air pressure switches can have a manual reset, from which the switch will have to be manually reset or the whole HVAC system will not continue operation.
Clues that your System Pressure Switch is Failing
- Your furnace will not operate.
- Your system doesn't reach desired temperature.
- Inaccurate voltage range running through the switch.
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