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Nordyne MS3BA048KA Air Pressure Switch
The main job of the pressure switch is to sense whether the blower fan is doing what it is supposed to do. Some pressure switches are programmed with a manual reset, which makes you reset it by hand or the entire system will not run. This switch is one of the critical aspects of the whole safety system that is intended to keep your family safe and sound.
What to Look for when your Pressure Switch is About to go Bad
- Wrong volt reading from the switch.
- The set temperature in the house is rarely fully attained.
- Your furnace will not operate at all.
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