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Carrier 38YSA036 Limit Switch
The reason limit switches exist is because if the air never warms up then the house will never get warm enough. The limit switch is a switch in the heating area that makes the determination when the air is warm enough for the blower to be activated.
Major signs of a poorly performing critical limit switch
- The system is starting to act differently time after time
- The HVAC system will not begin or will not stay running like it is supposed to
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