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Carrier 38YCC030 Air Pressure Switch
The reason for the existence of the air pressure switch is to determine whether the primary blower is blowing air. This is part of a small, but important collection of aspects of the whole safety system that is intended to keep everyone in the house safe. Various air pressure switches may have a manual reset, which makes you reset it by hand or the whole HVAC system will not continue operation.
Signs that the HVAC Air Pressure Switch is Starting to Fail
- The furnace will not run.
- The desired temperature indoors is rarely attained.
- Inaccurate voltage being read.
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