I just finished installing this controller add-On. It protects the internal tubing of your Absorption Refrigerator. We all know not to run the fridge off level, but who among us is always turning it off when we stop for a quick lunch by the side of the road, or when going over long mountain passes.
Every time the boiler overheats, it causes rusting throughout the system. Eventually, it clogs or leaks. Some people are lucky and do not have the refrigerator die, but when it happens, it's big bucks. I'd rather put the money into the gas tank and travel.
Easy to install, and peace of mind are the benefits of this design. Norcold's update only addresses the overheating that creates a fire condition, it does not protect the internal tubing from a short life.
You can read all about the design and benefits at www.ARPrv.com. It sold me.:B
RVing is :)Great.........