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Bryant 373LAV Air Pressure Switch
The primary function of this type of switch is to determine whether or not the primary blower is actually running. This switch is one of the most crucial safety creations designed to keep you safe. A good number of pressure switches today are programmed with a manual reset, which, of course, means that it would have to be reset by hand before the entire HVAC system will continue operating again.
Precursors that the Switch is About to go Bad
- The furnace or AC will not run correctly.
- The correct temp seldom fully achieved.
- Wrong volt range being read.
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