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Whirlpool ATR0743CPP0 Air Pressure Switch
The reason for the existence of this type of switch is to determine whether the primary blower is blowing air. This is one of many other aspects of the whole safety system that is intended to keep you from harm. Some different switches are programmed with a manual reset, which means you have to physically reset it before the system will continue its normal operation.
How do you Know when your Pressure Switch is Needing to be Replaced
- The desired temp is rarely fully attained.
- Your furnace won't operate at all.
- Inaccurate voltage being read.
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