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International Comfort Products H9MPD100J14C2 Air Pressure Switch
The actual job of the switch is to determine whether the primary blower is blowing air. This switch is one of many other safety creations designed to keep everyone in the house safe. The majority of pressure switches have a manual reset feature, from which it would have to be reset manually in order for the HVAC system to continue running.
How to Know when your Air Pressure Switch is Going Bad
- Bad voltage range being used by the switch.
- The desired temp is rarely attained.
- Your furnace can't ignite.
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