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
Fujitsu AOU18CL Limit Switch
This is important because if the warmed air is too cool the you will lose heat in the ducts and the vents will just blow cool air. The limit switch contains a sensor in the heating area that senses, or governs, when the air is warmed to a point for the air to begin normal home circulation.
Indications of a dying limit switch
- The system begins to act differently repeatedly
- The HVAC system will not start or run well longer than a minute
This site contains affiliate links for which I may be compensated
Feel free to download your manual for help.
This site contains affiliate links for which I may be compensated