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International Comfort Products PGMD42G0606 Air Pressure Switch
The job of the pressure switch is to see if the blower is running. The vast majority of pressure switches made today are constructed with a manual reset, from which the switch will have to be manually reset before the entire HVAC system will continue operating again. This switch is one of the most crucial hardware devices made to keep you from harm.
How do you Know when the Switch is About to go Bad
- The proper temperature in the house is almost never reached.
- Bad voltage being read.
- The blower fan refuses to operate.
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