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Yes, ANOTHER OWB build thread... (Tank in tank style)

Discussion in 'Firewood, Heating and Wood Burning Equipment' started by breymeyerfam, Jul 16, 2016.

?

Water volume in owb? 2500sf home and 34x48 shop

  1. 100 gallons

  2. 200 gallons

  3. 300 gallons

  4. 400 gallons

  5. 500 gallons

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  1. TFPace

    TFPace ArboristSite Operative

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    breymeyer,

    I'm enjoying your build thread.
    I liked seeing your use of plenty of unions in the piping of your heat exchanger. That will certainly help out down the road if you need to remove anything.
    How many circuits are you running in your system? 1. Shop heat 2. Floor heat for your basement 3. Domestic hot water 4. Main level heat

    I heat with a geothermal system and like it but wish I had gone with a OWB as a back up.

    Do you have plans to build a enclosure around the stove?

    I look forward to your spread sheet too.

    Did you log the hours you have spent in this build?

    Thanks again for this thread !!!

    Tom
     
  2. breymeyerfam

    breymeyerfam Addicted to ArboristSite

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    1. There are two pump circuits being utilized off the boiler. The shop is just a single air over water hx. The house circuit first goes through the hx in the furnace. Next the side arm on the water heater. And on the return line headed back to the boiler there are two tee's with the floor loop connected off the side. The hx in the furnace and the side arm has constant flow from the boiler, but the floor loop only has flow when the pump is trigger by the thermostat in the basement.

    Yes, there is a enclosure in the works. Actually was building the end walls in the shop yesterday.


    Unfortunately my spreadsheet isnt as detailed as it should have been. It doesn't detail each part, but more like each purchase. Mainly to differentiate the boiler build from the install cost.

    Lastly I did not log the hours. I should have. I have lots into it...
     
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  3. breymeyerfam

    breymeyerfam Addicted to ArboristSite

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    Enclosure taking shape.
    20161120_174421.jpg
    This is going to be my floor heat zone pump control. 24v transformer creating juice for the thermostat. And 24v over 120v relay to turn pump on and off.
    20161120_192622.jpg
     
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  4. breymeyerfam

    breymeyerfam Addicted to ArboristSite

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    I insulated the copper yesterday with the neoprene self adhesive style pipe wrap. Huge difference. The basement is 5 degrees cooler tonight than last night.
    20161122_180403.jpg 20161122_180422.jpg 20161122_180517.jpg
     
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  5. breymeyerfam

    breymeyerfam Addicted to ArboristSite

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    So far the boiler has been going somewhere between 12 & 18 hours before needing more. However I haven't been loading full. One row half full over the coals(6-8 pieces of wood) has all I've been loading to keep the coal pile down. I'm very happy with the way everything is working so far. Hopefully will make some more progress on the enclosure this weekend.
     
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  6. dave_dj1

    dave_dj1 Addicted to ArboristSite

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    That's awesome. How long is the wood?
    Keep the updates coming.
    As I have said, I would love to build my own OWB like yours but I don't see it happening.
     
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  7. benp

    benp Addicted to ArboristSite

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    That's awesome!!!!!!
     
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  8. breymeyerfam

    breymeyerfam Addicted to ArboristSite

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    I cut 22" on avg. Longest my splitter can handle is 24.
     
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  9. breymeyerfam

    breymeyerfam Addicted to ArboristSite

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    Haven't got much accomplished the last two weeks, but today I did manage to set the heater and plumb it up in the shop.
    20161210_001131.jpg
     
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  10. breymeyerfam

    breymeyerfam Addicted to ArboristSite

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    Little update. Everything has been working great. However not knowing if the boiler was cycling when I looked out the window after dark was frustrating, so I fixed that issue. Added an LED indicator light to tell me when the blower was running. HANDY!
    20161219_141627.jpg
    The view out the kitchen window at night has a nice little green glow when cycling!
     
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  11. breymeyerfam

    breymeyerfam Addicted to ArboristSite

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    Pretty much finished up the enclosure today. Only a few things remain. I need trim for the side access door, a motion sensor for the light, extend the flue another 6-8ft, and make a flange off the flue to cover up the opening around it.
    20170102_154329 (2).jpg
    This has been quite the project, but I am very happy with the outcome. It's nice working in a 70° shop! And my finished basement is alot more livable with the floor heat.
     
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  12. island edge

    island edge ArboristSite Operative

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    Sweet and Good job on the build!
     
  13. island edge

    island edge ArboristSite Operative

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    This is how i have been heating for years. Now get better/ drier wood for next season if u don't have some already to keep the smoke down and neighbors happy..
     
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  14. breymeyerfam

    breymeyerfam Addicted to ArboristSite

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    That pic is right after calling for heat cycle. Smoke clears up. Also, smoke doesn't matter. I have no neighbors. My dad is the closest person to me and is a half mile away.
     
  15. breymeyerfam

    breymeyerfam Addicted to ArboristSite

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    Well, I've been needing to get the flue pipe extended higher. Actually other than a little trim around the door, this is the last piece of this puzzle. Been a heck of a learning experiment. thanks to all who helped answer questions along the way!
    20170121_120121.jpg

    Flue pipe shouldn't rot away anytime soon. Schedule 40 6" is probably over kill... ;)
     
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  16. breymeyerfam

    breymeyerfam Addicted to ArboristSite

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    Will be updating all the pictures in this thread, since photobucket is completely retarded...
    [​IMG]
     
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  17. super3

    super3 Addicted to ArboristSite

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    Hey Levi
     
  18. breymeyerfam

    breymeyerfam Addicted to ArboristSite

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    Hey! Been a while!
     
  19. siouxindian

    siouxindian ArboristSite Operative

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    the only picture i can see is the last 1.
     
  20. breymeyerfam

    breymeyerfam Addicted to ArboristSite

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    Once I figure out how to edit old posts, I will fix the pics. Photobucket wants $499 a year now to host images. Not from me they're not!
     
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