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Samsung MH026FECA Limit Switch
The limit switch is a type of sensor switch in the heating area that determines if and when the air is warmed to a point that it can be circulated throughout the house. Limit switches were created because if the air is too cool inside the furnace to begin with, the you will lose heat in the ducts and the vents will just blow cool air.
General indicators that your critical limit switch should need replacing
- The heating and AC system will not start or run well longer than 30 seconds
- The Samsung system starts to runs spotty occasionally
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