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International Comfort Products NDC7050BFA2 Air Pressure Switch
The main job of the air pressure switch is to sense whether the blower fan is circulating the air as it should. This switch is one of the most crucial mechanisms designed to keep you safe. The vast majority of pressure switches made today are programmed with a manual reset, which means you have to physically reset it before the entire HVAC system will continue operating again.
What to Look Out for when the Switch is in Need of Replacement
- The furnace will not operate.
- The correct temp is never fully achieved.
- Incorrect voltage range reading from the switch.
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