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SPT WA-1061H Limit Switch
Limit switches are built because if the warmed air is too cool then you will never get hot air through the ducts. The limit switch is a switch located in the furnace that makes the determination when the air is actually warm enough so that it may be pushed through the ducts and out the vents.
Some clues critical limit switch will have to be replaced
- The HVAC system will not begin or run like it is supposed to
- The system is starting to initiate and then stops frequently
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