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Whirlpool ATE1255SPP0 Air Pressure Switch
The main function of the pressure switch is to determine whether or not the main blower is actually running. Some pressure switches are designed with a reset that is manual instead of automatic, by which you must manually reset it in order for the HVAC system to continue running. This is one of many other aspects of the whole safety system that is intended to keep you safe.
Signs that the Switch is Starting to Fail
- Inaccurate voltage range being read.
- The set temperature in the house is never achieved.
- HVAC system can not run.
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