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[donahuej]

Another quick question.  Anyone here have any luck with plans or sketches for a home built boiler?  Thinking of giving this a shot for my shop because it some 300 feet from the house - forget heat loss not sure I could even look at the bill for the thermopex   We have a gas powered welder and access to any type of steel you could ask for.  These boilers are fairly basic in design just seeing if anyone had a plan set or a sketch they might recommend.

Thanks again for all the help,

Jamie

[Scott7m]

You don't need thermopex, you could use a 5 wrap with 1 1/4" lines and be alright if you have additional capacity on your existing boiler.  5 wrap is hard to beat

[RSI]

Have you ever done any welding that needed to be water tight? It is not real easy with a stick welder unless you are really good at welding.
5 wrap would cost about $2k for 1-1/4"

[6pacmac]

you could use scrap propane tanks.   Put a smaller one inside of a larger one.

[Bull]

There are several in the Home made section with lots of pictures