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Carrier 58STA09010020 Air Pressure Switch
The function of the pressure switch is to sense if the main blower is blowing air. This is one of the most crucial aspects of the whole safety system that is intended to keep everyone in the house safe. The vast majority of pressure switches made today have a manual reset feature, which means it would need to be reset or the whole HVAC system will not continue operation.
Signals that the System Pressure Switch is Needing to be Replaced
- Inaccurate voltage range reading.
- The expected indoor temperature is hardly ever achieved.
- The furnace can not ignite the gas.
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