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Carrier 38YRA042 Limit Switch
One big reason why limit switches are designed that way is due to the fact that if the air never warms up inside the exchanger then the house will never get warm enough. The limit switch has a sensor in the heating area that can determine when the heated air is warmed to a point for the main blower to kick in and circulate the air.
Major indications critical limit switch will need to be replaced
- The heating and AC system will not start or run well longer that five minutes
- The system is starting to initiate and then stops more often than not
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Before you decide on buying or purchasing any Carrier 38YRA042 part do your best and double check the correct model as well as make a visual comparison so that you are positive that the proper replacement limit switch is being ordered. The installing of the limit switch is not difficult assuming you have the know-how and have the tools to do it right.
Feel free to download your manual for help.
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