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Nordyne M3RL-080A-BW Air Pressure Switch
The primary function of the switch is to sense whether the blower fan is circulating the air as it should. This pressure switch is an important part of the safety system in place to keep you safe and keep your family safe. The majority of pressure switches are programmed with a manual reset, which means you have to physically reset it before the HVAC system will continue.
Signs to Look Out for when the HVAC Air Pressure Switch has Gone Bad
- HVAC system will not function.
- Wrong volt range being read from the pressure switch.
- The right temperature in the house seldom attained.
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