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International Comfort Products GPCM48H080F Air Pressure Switch
The main job of the air pressure switch is to determine whether or not the primary air circulator is circulating the air as it should. This is one of the key mechanisms designed to keep you from harm. The vast majority of pressure switches made today may have a manual reset, from which it would have to be reset manually before the HVAC system will continue.
Signals that the Switch is Starting to Fail
- Your furnace can't ignite.
- The right indoor temperature is never fully achieved.
- Wrong volt range being used by the switch.
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