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Carrier 38BRC036 Limit Switch
A normal limit switch contains a sensor in the heating area that senses, or governs, if and when the air is warmed to a point to activate the main blower. One big reason why limit switches are designed that way is because if the air is not warm enough then you will never get hot air through the ducts.
What are the signs that the critical limit switch is failing?
- The HVAC system starts to runs uneven occasionally
- The heating and cooling system refuses to start or run like it is supposed to
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