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International Comfort Products PGMD36G0608 Air Pressure Switch
The reason for the existence of this type of switch is to see if the primary blower is on and running. This pressure switch is an important part of the collection of safety devices in place to keep you safe from harm. Some particular air pressure switches are equipped with a manual reset feature, which means you have to physically reset it before the HVAC system will continue.
Signs to Look for when your Pressure Switch is About to Fail
- Your furnace can't operate at all.
- The correct temperature in the house is never fully achieved.
- Bad voltage range running through the pressure switch.
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