No experience w/it but...
I don't have any experience with it, but after checking out their web site I'm interested in where you find them, and what they cost. I've been tempted to fabricate my own system very similar to this one. I too suffer with the Hunter 33 no hot water blues. I've been using a small on propane system that is really designed for campers that I found on EBay. It gets the job done, but it has to be setup and taken down every time you use it, and the heat and fumes thrown off by it don't make for a very pleasant shower. It runs on small disposable propane cylinders you usually find with lanterns and small stoves. I'd like to get a central system working.