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Will used water heater tank work instead of barrel over heat riser?  RSS feed

 
Posts: 8
Location: Eastport, ME
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Hi. Instead of a barrel will a used water heater tank work over an insulated heat riser. I'm using a castable insulated refractory mix for the heat riser. I have an old gas water heater and am wondering if there are any problems substituting the tank for a steel barrel? Thanks! Sally
 
pollinator
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I would think so. I recently got a meat smoker on craigslist that I intend to use as the barrel around the heat riser. If you are going to cover the whole thing in cob, there's probably a lot of things you can use as a template to hold it in place while you get ready to cover it in mud.
 
gardener
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Location: Southern alps, on the French side of the french /italian border 5000ft high Southern alpine climate.
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gardener
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Location: Buffalo, NY
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Hello Sally,

I have seen many examples of old water heaters used as the 'barrel' in RMH. You should have no problems with the substitution.
 
Sally Erickson
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Location: Eastport, ME
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Thanks everybody. This feedback is really helpful. I'll post results as the project proceeds!
 
Posts: 106
Location: Sandpoint, Idaho
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Check out my 3 water tank hybrid build, works extremely well!
 
Sally Erickson
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Location: Eastport, ME
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Alan, where do I find your " 3 water tank hybrid build"... would love to see it!

I tore off the outside of my water heater and got down to the tank. It is a propane water heater so it has a stack in the middle. Without a lot of welding I can't easily use it for over the riser but I did think about using it somehow as a bell, maybe the second bell.

Now I'm thinking of building with old brick over the insulated riser. Anyone know if I can use fireclay/sand mortar for that? The refractory mortar is really pricey for that much brick work. I realize that will limit immediate radiant heat to the room but that's okay with me. Seems like building with brick instead of a metal barrel over the riser will serve as a first bell. Thoughts?

Thanks.
Sally
 
Alan Mikoleit
Posts: 106
Location: Sandpoint, Idaho
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Sally, It's about half way down on this page. I am using fire clay plus sand for back fill, and regular mortar for the brick work. Alan
 
Sally Erickson
Posts: 8
Location: Eastport, ME
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Alan Mikoleit wrote:Sally, It's about half way down on this page. I am using fire clay plus sand for back fill, and regular mortar for the brick work. Alan



Sorry Alan....halfway down on what page?
 
Alan Mikoleit
Posts: 106
Location: Sandpoint, Idaho
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This parrot is no more. It has ceased to be. Now it's a tiny ad:
five days of natural building (wofati and cob) and rocket cooktop oct 8-12, 2018
https://permies.com/t/92034/permaculture-projects/days-natural-building-wofati-cob
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