Outdoor Wood Furnace Info
All-Purpose OWF Discussions => General Outdoor Furnace Discussion => Topic started by: rosewood on January 20, 2010, 05:12:49 PM
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I finally got a few pictures uploaded, they are on the outdoor wood furnace picture site.
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how many gallons of water does the beast hold rosewood?
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willie..it holds almost 1300 gal. i leave the water level down to about the 1200 gal range. for expansion and steam off i used ''greer tank calculator'' site to figure out capacities during the build . wrapped with r79 worth of insulation it holds a ton of stored btu's . in hindsight i wish i went to around 1800 gals!
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i am thinking of making a new furnace with the holding tank being seperate from the stove itself..i am thinking of a heat exchanger betweent he furnace (running glycol solution) and the main heat storage tank only water heating the large tank to temp and then having the OWB acually shut down. i am thinking with one long burn i wont be wasting BTU's on start up and shut down..with the gallonage you have how long does your water last on an average day before your OWB kicks in again?
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willie , i have aquastat diff set at 165 lo 185 hi ,at hi 20s lo30 and t-stat set at 70 its cycles every 4-5 hours . i think if i brought temp up to 195 it could provide enough heat for 16-20 hours depending on heat load , outside temp, t-stat setting.