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Samsung AVMDC072CA0 Limit Switch
The limit switch contains a sensor in the heating area that determines when the heated air is warmed to a point so that it may be pushed through the ducts and out the vents. Limit switches were created due to the fact that if the air never warms up inside the exchanger then you will never get hot air through the ducts.
Major warnings limit switch should need replacing
- The system begins to stop suddenly on a regular basis
- The heating and cooling system is unable to start or will not stay running even though the desired temperature has not been attained
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