Looking back, I thought it was a one-of-a-kind Rube Goldberg job. Someone's twisted idea for cobbling together a cheap indirect-fired water heater to work hand-in-hand with a modcon (high efficiency ...

I have a small change I want to make in my house. Let me see if I can explain this well. Off of the carport, there is a smallish room that contains the gas water heater. It's raised up on a stand.