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International Comfort Products T9MPD050F12C2 Air Pressure Switch
The job of the air pressure switch is to determine whether the blower fan is doing what it is supposed to do. The vast majority of pressure switches made today have a manual reset feature, which means it would need to be reset in order for the HVAC system to continue running. This pressure switch is part of the collection of safety devices that is in place to keep you safe from injury or explosions.
How to Know when the HVAC Air Pressure Switch is Beginning to Go Bad
- The correct temperature indoors seldom fully achieved.
- Inaccurate volt range reading from the switch.
- Your heating and cooling system refuses to run.
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