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Samsung ACC2800C Limit Switch
The limit switch is a switch in the heat exchanger that determines when the heated air is warm enough to activate the main blower. Limit switches exist because if the air never warms up the you will lose heat in the ducts and the vents will just blow cool air.
Indications main limit switch needs to be replaced
- System will not even start nor will it stay running even though max temp has not been reached
- Your system begins to act differently more than once
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