When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission.
Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network
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
- The whole system is starting to become inconsistent more than once
- The heating and cooling system will not begin the ignition sequence or will not stay running for any significant length if time
This site contains affiliate links for which I may be compensated
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.
This site contains affiliate links for which I may be compensated
