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HOME > HVAC > CARRIER > 38HDC030 > LIMIT SWITCH

Carrier 38HDC030 Limit Switch

One big reason why limit switches are designed that way is due to the fact that if the air inside the furnace is too cool then the house will never get warm enough. The limit switch has a sensor in the heat exchanger that can determine when the air is warmed to a point to activate the main blower.

Elements of an ineffective critical limit switch

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Check eBay to see if your limit switch is in stock!
If you are going to be buying or purchasing any Carrier 38HDC030 part, do your due diligence and cross-check the model number as well as make a visual inspection so that you are positive that the right limit switch is the one being purchased. Once you have the part to install it yourself. Look for a professional in your area to hire and install the part for you.
Feel free to download your manual for help.
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Check eBay for your limit switch!