Build your own Water Heater / Furnace Unit?
I know there are newer campers that have combined water heater / furnace units but they are pricey and not necessarily an easy drop in unit. It got me to thinking that it would be an interesting exper...
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Like I said before make sure you don't run at condensing temperatures, you will rot the tank out in short order. I have seen hundreds of systems like you are describing and most of them the water heater was shot. I am a HVAC contractor with 26 years specializing in boiler and hydronic heating.
