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Samsung UD26B1C2 Limit Switch
Limit switches are built due to the fact that if the air inside the furnace is too cool the you will lose all the heat as the air flows through the ducts. The limit switch is a type of sensor switch in the heating area that determines when the heated air is warm enough for the main blower to kick in and circulate the air.
Some clues limit type switch is dead
- The system begins to become inconsistent occasionally
- The HVAC system will not initiate or continue to run for any significant length if time
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