This is why you should always install a tankless water heater. This way you wont run into any cracked water heaters leaking in you 100k+ RV. I know of a great tankless water heater site that I use: and the link is at
http://www.wholesaletankless.com/free-s ... -p-52.html. I heard about tankless water heater about 10years ago from Bob Vila show.