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Nordyne MS3BA042KA Limit Switch
The limit switch is a switch in the air handler that senses, or governs, when the air is warm enough for the main blower to kick in and circulate the air. Limit switches were created due to the fact that if the air never warms up inside the exchanger the you will lose heat in the ducts and the vents will just blow cool air.
What are the clues to watch out for to know my critical limit switch is almost going bad?
- The system begins to runs spotty more than once
- System will not start or run well like it ought to
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