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Carrier 48XZ048090300TP Air Pressure Switch
The primary function of this type of switch is to sense whether the air blower is doing what it is supposed to do. Some different switches may have a reset feature that is manual, which forces the system to be reset physically before the HVAC system will continue. This pressure switch is one of the key devices designed to stop injuries or explosions.
Precursors that the Air Pressure Switch is Beginning to Fail
- Incorrect voltage range running through the switch.
- The blower fan refuses to operate properly.
- The desired temperature indoors is hardly ever fully attained.
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