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Carrier 58MCB100 Air Pressure Switch
The primary function of this type of switch is to sense whether the primary blower is actually running. Most air pressure switches are programmed with a manual reset, which means you have to physically reset it before the entire HVAC system will continue operating again. This is part of a small, but important collection of safety creations designed to keep you from harm.
Symptoms that the Pressure Switch is in Need of Replacement
- Bad electrical voltage running through the pressure switch.
- The furnace refuses run.
- The right temperature is rarely reached.
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