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Dometic 630515 Limit Switch
This is important because if the warmed air is too cool then you will never get hot air through the ducts. The limit switch is a type of sensor switch in the heating area that decides if and when the air is warmed to a point that it can be circulated throughout the house.
Important hints main limit switch has very little life left
- The whole system starts to run erratically on a regular basis
- The HVAC system refuses to kick in or continue to run for any significant length if time
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