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Whirlpool ATE0743BPP0 Air Pressure Switch
The job of the pressure switch is to sense whether the primary air circulator is running. This is just one of many devices that are created to keep you from harm. Most air pressure switches can have a manual reset, from which it would have to be reset manually before the HVAC system will continue.
Clues that your Switch is Beginning to Fail
- Wrong volt running through the switch.
- The set temperature indoors is rarely fully achieved.
- The furnace refuses run.
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