For a few cents more you could buy the fancier, more complex version. It's a little crazy though.
Works great as long as you dont turn it on full blast.
Just don't move that duct tape. It's, ummmm, load bearing. ~Not-So-Handy Andy
Submitter TG says: Problems occurred when I tried to connect the new boiler to the existing pipe network. This seemed like the easiest solution.