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Lennox CB28UH-060 Air Pressure Switch
The primary function of the pressure switch is to sense whether the main blower is actually running. This is one of many other aspects of the whole safety system that is intended to keep you from harm. A lot of switches are programmed with a manual reset, which makes you reset it by hand before you can continue using the system.
Warning Signs that the Air Pressure Switch is About to go Bad
- The blower can not operate properly.
- Incorrect voltage range running through the switch.
- The correct temp is hardly ever reached.
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