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General Outdoor Furnace Discussion / help with extra tall owb chimney

« on: March 08, 2011, 06:40:26 AM »

My wife and I are thinking about buying an owb. We chickened out last year, and I've regretted it since. One reason we backed out was that our township requires the stack to reach 3 feet higher than any roof ridgeline within 150 feet. This means our stack will have to reach 23 feet off the ground. If a typical stove is 5 or 6 feet high, that means a 17 or 18 foot stack, assuming it vents from the top (haven't decided on which unit to buy yet). I'm concerned about a few things: creosote build up, support of the chimney (I don't like the idea of guy wires all over my lawn), and materials - what kind of chimney will I need? Should be the fancy double-walled insulated type?
Lots of questions, sorry. Feel free to pick one.
Thanks for the help! I'm learning a lot on this site.