Kevin Gouty

Propane gas forced air........I had the batch box idea in the back of my mind.  I just haven't pursued or researched it.    Any design ideas would be greatly appreciated.   Thank you!

I have not burned the RMH myself, but there are signs of metal warping on the base plate.  So, I am going to assume it gets pretty hot.  From all that has been said I am thinking the RMH that I have is not suitable for my idea of the water to air heat exchanger.   So, I think my best option is to use my RMH in my shop, and research other ideas for water to air option of supplemental heat.  I am open to any and all ideas.      My house is 2400 sq/ft.  Full finished basement 3 bed 2.5 bath.  Basement walls are 8" block.  2" styrofoam insulation on ceiling in basement.  Also has full kitchen in basement.  

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4" j tube with 4" outlet.....going to change size of outlet to 6" minimum.   Maybe if I post a picture of it that may be of some help.  Or you could give me some advice on modifications that may be necessary.   Thanks for all the input and help.  

J tube......made with a water heater tank.  

Rocket heater is built.  I bought it from an individual who built it.  He used wood pellets.  The mass has not been built as of yet.  What if used the barrel over the burn chamber wrapped with copper line, and the proper safety devices to prevent boom squish and just added it to my existing gas furnace?

Maybe some more info would help.......the stairway to the basement is wide open (no door).....RMH would be 10' from stairs,   and what would be the difference in exhausting thru the sill plate to the outside vs through the roof?  If mainly the exhaust is steam?  Or would length of the chimney pipe  be an issue?  
    Maybe I have the wrong line of thinking for this idea.

I think possibly the biggest question is can the rmh heat the water to a proper usable temp, and could the rmh be exhausted properly to achieve stratification......?

Thanks for the info.....brings a lot in to question.  I guess basically my thoughts were using the RMH in place of a standard outside boiler.  I have a friend that has an outside boiler he built with the exchanger in his furnace, which is where I got the idea.  Just wanted to use the rmh in lieu of the boiler.