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Carrier 50GL Limit Switch
The limit switch has a sensor in the heat exchanger that senses, or governs, if and when the air is warm enough for the main blower to kick in and circulate the air. One big reason why limit switches are designed that way is because if the air is too cool inside the furnace to begin with, then you will never get hot air through the ducts.
What are the indications that my limit type switch really is in need of replacing?
- The HVAC system starts to behave differently often
- The HVAC system refuses to start or run well longer than 30 seconds
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Before you decide on buying or ordering a new Carrier 50GL replacement part do your best and double check the correct model and also make a visual comparison so that you are positive that the right limit switch is being ordered. You do not have to install the replacement part alone. Hire someone with experience in your community to hire and install the part for you.
Feel free to download your manual for help.
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