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OAK Materials ??

Post in 'The Pellet Mill - Pellet and Multifuel Stoves' started by Nevada, Oct 12, 2010.

  1. Nevada

    Nevada New Member

    Joined:
    Aug 24, 2010
    Messages:
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    Loc:
    The cold part of Nevada
    If making your own OAK kit what are the best materials, are you using dryer vent ducting material or something stronger ? Are you running a standard outside vent like a dryer ?? This will be for an Accentra Insert and I think its 3"...... Just preparing for a self install..I know the sell the OAK kit, but looking at it, I think I can do better just going to Home Depot.. But you guys tell me. Thanx ! ;-)

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  2. imacman

    imacman Guest

  3. Nevada

    Nevada New Member

    Joined:
    Aug 24, 2010
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    Loc:
    The cold part of Nevada
    Im open to all suggestions ! That may be the ticket !
  4. Don2222

    Don2222 Minister of Fire

    Joined:
    Feb 1, 2010
    Messages:
    7,082
    Loc:
    Salem NH
    Hello

    In my case I could not buy a kit that would fit my install. The best area for my wood pellet stove was in the middle of my basement connected to the center chimney. I had to install a stainless steel chimney right behind it for my oil boiler so it was not easy! So the pellet stove is in the center from left to right and from front to back with vents cut in the floor to bring the heat up. Now the chimney connect was easy but not the OAK. So basically I used a 2" metal preheater hose from AutoZone to an iron wall mount damper purchased from the Stove Shoppe in Windham NH that I mounted in a new tiled wall that I built. Then on the other side of the wall I used a 15 foot 2" flexible metal chimney liner I purchased from fireplace village to go up and over to the back of the house. I then went to midas muffler for a custom 5" long 2" muffler pipe to go thru the wall to the metal hooded and screened vent. Then I covered the 15 foot chimney liner with white Fiberglass Pipe Insulation from Home Depot!

    Most stoves have 2" hole for an OAK which is plenty of air. You can get 3" flexible vent piping and larger from Home Depot.

    Reasons for having an OAK from >> http://used-wood-stoves.com/?p=27446
    We still recommend a fresh air kit for older homes because: (1) control your air flow better, (2) stoves like oxygen-rich outside air versus stale impure inside air, (3) your room air blower is only 12 inches away from you combustion air inlet and it alone could steal (starve) air from the combustion process, (4) other house fans such as bathroom fans, kitchen hood fans, attic fans may starve the stove of combustion air creating a negative pressure; (5) a mechanical pull rod can be used exclusively as an ash dump and not worry about re-adjusting the exact position after each ash dump; (6) ash dropping down should not compete nor interfer with air moving up (because of using a mechanical damper); (7) air should instead come in from the backside of the fire box via using a KIT, not from underneath the fire box; (8) Ash drops may partially clog the opening of the mechanical damper thus changing air/fuel mixture and causing malfunction.

    See Pics below, I used radiator clamps for a nice tight connection. Good luck
    I can stop the cold air coming in with the black lever when the stove is not in use!

    Attached Files:

  5. Nevada

    Nevada New Member

    Joined:
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    Loc:
    The cold part of Nevada
    Wow good work, thanks for the replies, went to the HoMe De-Pot and checked out some of the options, pickin up stove this weekend. Bound to be a good time !
  6. sscomo

    sscomo New Member

    Joined:
    Nov 15, 2010
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    Loc:
    central mo
    you can get those preheater hoses in 36" lengths as well.....just make sure you get the all aluminum one and not the paper coated.
    theyll run you about $15shipped
  7. Wachusett

    Wachusett Feeling the Heat

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    Wachusett Reservoir, MA.
  8. sscomo

    sscomo New Member

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    central mo
    looks like a nice kit for the money...havent had any luck finding a 2" kit for that price.


    anyone know where to get 1/4" self tapping sheet metal screws to hold the pipe connections together?
  9. flynfrfun

    flynfrfun Minister of Fire

    Joined:
    Oct 25, 2010
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    703
    Loc:
    Bonney Lake, WA
    I got everything I needed from Lowes. My HD didn't have much selection. I used 3" dryer vent. Works great and looks good. Total cost around $20.
    Flynfrfun
  10. fast636

    fast636 Member

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    Upstate, NY
  11. Wi Thundercat

    Wi Thundercat Feeling the Heat

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    NW Wisconsin
    ABS ???

    Maybe buy a 3" kit and use a 3X2 adapter from an auto parts store. Thats what i had to do to use the direct-temp venting on my st. croix stove.
  12. SmokeyTheBear

    SmokeyTheBear Minister of Fire

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    Nov 10, 2008
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    12,130
    Loc:
    Standish, ME
    Plastic is not approved for pellet stove outside air kits. It must be metal.

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