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International Comfort Products T8MPN100F20A1 Air Pressure Switch
The actual job of this type of switch is to sense whether the air blower is running. Most air pressure switches are equipped with a manual reset feature, from which it would have to be reset manually before the HVAC system will continue. This pressure switch is a very critical piece of all the safety features in today's HVAC systems that is in place to keep you safe from harm.
Signals that the Switch is Beginning to Fail
- Wrong electrical voltage reading from the switch.
- The expected temperature in the house is never fully attained.
- The furnace is unable to ignite the gas.
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