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International Comfort Products T8DNL100L20A1 Air Pressure Switch
The reason for the existence of an air pressure type switch is to sense if the blower fan is running. Most air pressure switches may have a reset feature that is manual, from which it would have to be reset manually before the system will continue its normal operation. This is one of many other hardware devices made to stop injuries or explosions.
What to Look Out for when your Pressure Switch is Beginning to Go
- The furnace or AC will not operate.
- The desired indoor temperature is rarely reached.
- Bad volt running through the switch.
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