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Carrier 38BYG042 Limit Switch
This is important because if the air is not warm enough then you will never get hot air through the ducts. A normal limit switch is a type of sensor switch located in the furnace that determines when the air is actually warm enough for the air to begin normal home circulation.
Symptoms main limit switch will eventually need to be replaced
- The HVAC system refuses to start or run even though max temp has not been reached
- Your system is starting to runs uneven on a regular basis
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Before you decide on buying or purchasing any Carrier 38BYG042 part do your best and cross-check the correct model as well as make a visual comparison so that you are positive that the correct limit switch is being ordered. Installation of the limit switch can be quite easy if you have the time and have the tools to do it right.
Feel free to download your manual for help.
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