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International Comfort Products T8MPT050B12A1 Air Pressure Switch
The job of the switch is to determine whether or not the blower fan is running. This pressure switch is one of many other mechanisms designed to keep you from harm. A lot of switches may have a reset feature that is manual, which means you have to physically reset it or else the system will cease to function.
Clues that your Air Pressure Switch has Failed
- System does not get to the correct temp according to the settings on the thermostat.
- Furnace can't ignite.
- Incorrect volt running through the pressure switch.
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