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top venting baby

Post in 'Fisher Stove Information, Parts, History and More' started by aqua, Nov 4, 2013.

  1. aqua

    aqua New Member

    Joined:
    Mar 27, 2013
    Messages:
    11
    Loc:
    california
    Hi, I have a nice newer gen Baby with a rear vent. I want to top vent it (and I have the tools). My reasons are to move the stove deeper into my hearth space,and to get rid of one 90 elbow as my flue exits through the wall. I can find almost no info on this site that gives a good reason why this mod shouldnt be done. Ive been using this stove for 30 years to overheat my 400sq ft cabin. Before I strain my back and cut a hole in a beautiful stove can someone tell me why I shouldnt? I am not concerned with slightly lower temps or resale value as this stove will be honoring its lifetime warranty with me. thanks

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  2. CamFan

    CamFan Member

    Joined:
    Aug 21, 2011
    Messages:
    220
    Loc:
    North East Georgia
    In my opinion if it is what you want, do it. If you have had it 30 years who cares. I used to do it all the time for people when i had my shop going. The hard part and I never worried about it was taking the pipe out with out damaging it. I always put a new one in.
    As far as your lifetime warrenty, well there is no one left to warrenty your stove. So do not let that stop you.
  3. aqua

    aqua New Member

    Joined:
    Mar 27, 2013
    Messages:
    11
    Loc:
    california
    I guess what I was asking was if changing to a top vent would create some very negative characteristic that my otherwise very well behaved rear vent doesnt have. I have seen a baby with a side vent but never a top and I dont know if it was an option from Fisher. I have a jotul 602 that came with factory openings rear and top and works well either way. Just thought I would ask all you fisher experts before I cut. I jest when I say warranty....I am planning to take it with me when I "go".
  4. CamFan

    CamFan Member

    Joined:
    Aug 21, 2011
    Messages:
    220
    Loc:
    North East Georgia
    We used to make top vent babys all the time. They work well like any other TV fisher. Coaly may have some specs he can provide on this. We always told people to intall a damper since the Tv was not as efficent. If you put the baffle that Coaly installs it should help also. I have never done one.

    Just some help if wanted:
    1. measure in from the top to the back of the stove. Add 1/2" to this measurement. Mark the new hole with soap stone or something that will stay while torching. I always used the pipe and centered it left to right and double check the dimension from the back. tip I always started at the back ,angle the torch to the front. It is to be sure to clear the acutual back of the stove. I always left the line when traceing the pipe, if not it will be to big of a hole.
    2. After tourching the hole check the fit. I always prefered to have to drive the pipe in with a shop hammer than it to just fall through. It made easier welding.
    3. We used 1 1/2" angle scrap to use as a spacer to judge the height of the new pipe. putting it on the stove top and tack the pipe to hold in place.
    4. weld it up.

    note:
    1. use 1/4" plate to cover the hole on the back after cutting out the old pipe.
    2. There are all kinds of 6" pipe. be sure it is 6"od. with out seams. 1/8" thick. a 4"-6" length is adequate. If you put the wrong pipe in it will be a real headach to attach your black stove pipe. These required a double skirted adapter when hooking up your stove.
    3. If you can find 6" Id pipe with a 1/4" wall you will not need the adapter. A short piece of this may be harder to find but worth the effort. These were used on the later model stoves and a 2" length is all you need. this would be put on the stove top, centered and weld the inside of the pipe to the stove top. Then torch it to provide the exhaust hole.

    Good luck, I always enjoyed the smell of cutting and welding on a burned stove. lol I must be sick :) If something here is not clear let me know, I will talk you through it if you need it.

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