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Carrier 50SX042300 Air Pressure Switch
The main function of the switch is to sense whether the primary blower is running. Some different switches have a manual reset feature, by which you must manually reset it in order for the HVAC system to continue running. This switch is part of the safety system that is in place to keep you safe and keep your family safe.
Indications of a Declining Pressure Switch
- Wrong electrical voltage being used by the switch.
- The set temperature in the house is never attained.
- The blower refuses to operate properly.
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