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Samsung AVMBH035EA0 Limit Switch
The limit switch is a switch in the heating area that can determine if and when the air is warmed to a point for the main blower to kick in and circulate the air. This is important because if the warmed air is too cool the you will lose heat in the ducts and the vents will just blow cool air.
Symptoms limit switch has little life left
- The system begins to behave differently more than once
- The heating and AC system refuses to kick in or run even though max temp has not been reached
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