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International Comfort Products H8MPL125J20A1 Air Pressure Switch
The main function of this type of switch is to sense whether the primary blower is blowing air. This is one of many other facets of the HVAC safety checks that are dedicated to keep everyone in the house safe. Most air pressure switches are programmed with a manual reset, which makes you reset it by hand or the entire system will not run.
Symptoms that the Pressure Switch will Fail Soon
- The proper indoor temperature is never reached.
- The furnace can't ignite the gas.
- Incorrect voltage being read from the pressure switch.
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