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 24ANA724A0030020 Limit Switch
A normal limit switch has a sensor in the air handler that senses, or governs, when the air is warm enough so that it may be pushed through the ducts and out the vents. Limit switches were created because if the air never warms up then you will never get hot air through the ducts.
Clues to watch for to know limit type switch needs a replacement ASAP
- System will not even start or will not stay running longer than a minute
- The HVAC system begins to stop suddenly frequently
This site contains affiliate links for which I may be compensated
Before buying or ordering any Carrier 24ANA724A0030020 replacement part do your best and cross-check the correct model and also make a visual comparison so that you are positive that the correct replacement limit switch is the one being purchased. There is no need to install it yourself. Pay a professional in your town or city to do the job for you.
Feel free to download your manual for help.
This site contains affiliate links for which I may be compensated
