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Nordyne MS3BA036KA Limit Switch
One big reason why limit switches are designed that way is because if the air never warms up then you will never get hot air through the ducts. The limit switch is a switch in the heating area that decides when the heated air is warm enough for the blower to be activated.
What symptoms are present when the limit switch most likely needs replacing?
- System will not begin the ignition sequence nor will it stay running even though max temp has not been reached
- Your system begins to ramp up but then stops more than once
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