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Fisher fan add-on

Post in 'Fisher Stove Information, Parts, History and More' started by Benjie, Aug 6, 2012.

  1. Benjie

    Benjie New Member

    Joined:
    Aug 5, 2012
    Messages:
    2
    Loc:
    North Carolina
    I just bought a Fisher Mama Bear. I was hoping someone could tell me something about the plate on the back. I thought that it might be a place for a fan due to it has what looks like a vent hole on the bottom of the stove. This appears to be an add on but I'm not sure, any ideas would be appreciated. Thanks! Fisher photo.JPG

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  2. coaly

    coaly Fisher Moderator Staff Member

    Joined:
    Dec 22, 2007
    Messages:
    1,659
    Loc:
    NE PA
    Have you removed the plate to see what's under it? If that's a hole cut under the flue outlet, perhaps there is a second hole under the plate where someone installed a water coil or black iron pipe loop? (natural water movement from being heated above the flames rises out the top hole, and the lower hole becomes the inlet to reheat the circulating water) In any case, that galvanized electical cover plate should be 1/4 inch steel plate. The back of the stove can reach temperatures to burn off the zinc coating, creating toxic smoke / fumes.

    A fan would require a shield across the back with a hole cut through it to pull hot air from between the stove wall and shield. A long cage type fan across the bottom moving air upward between a rear shield and stove back is the best add on type blower. The rear shield is made a couple inches higher than the stove top and curled towards the front to blow the already heated air forward across the stove top.
  3. Benjie

    Benjie New Member

    Joined:
    Aug 5, 2012
    Messages:
    2
    Loc:
    North Carolina
    photo 1.JPG photo 2.JPG photo 3.JPG Coaly,Thanks for the reply. I took the plate off and there is cavity between this piece and the back of the stove. It looks like that is some sort of bracket below the flue. The picture of the bottom of the stove is the lower section of the piece that was added to the stove, it kind of looks like this could be where air would come out of? Thank you for warning me about the zinc coating, I will replace it with a steel cover.

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