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Carrier 38YSA030 Limit Switch
One big reason why limit switches are designed that way is because if the air never warms up then you will never get hot air through the ducts. A normal limit switch contains a sensor in the heat exchanger that determines when the heated air is warmed to a point for the main blower to kick in and circulate the air.
Easy warnings limit switch should need replacing
- The heating and cooling system refuses to start or continue to run like it is supposed to
- The HVAC system starts to runs spotty frequently
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If you decide on picking up or ordering any Carrier 38YSA030 replacement part do your best and double check the model number as well as make a visual inspection in order to be sure the proper replacement limit switch is the one being purchased. Safety is always important when you replace or install any part of a heating or cooling system. If you are in doubt about anything call a pro. Don't be sorry. Be safe.
Feel free to download your manual for help.
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