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International Comfort Products PGAA Air Pressure Switch
The main function of this type of switch is to determine whether or not the primary blower is on and running. The majority of pressure switches are designed with a reset that is manual instead of automatic, from which it would have to be reset manually in order for the HVAC system to continue running. This is one of the critical safety creations designed to keep everyone in the house safe.
Important Signs that the System Pressure Switch has Failed
- Wrong voltage reading.
- Your furnace can not operate at all.
- HVAC system does not get to the correct temp according to the settings on the thermostat.
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