Can I install a commercial grade 50 gallon hot water heater in my 1985 mobile home? I am concerned about the weght as my old hot water heater was 19 gal. Space is not a issue. I know I will have to run a line and it will need its own breaker. My concern is when I fill it up with water it falling thru the floor. Also I was told by someone (not an expert or contractor) that I have to purchase a hot water heater especially designed for a mobile home. Is this true? What is the difference between hot water heaters?