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looking for a bigger cfm blower motor for a harman magnum coal stoker

Post in 'The Hearth Room - Wood Stoves and Fireplaces' started by lime4x4, Dec 11, 2005.

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  1. lime4x4

    lime4x4 Member

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    Nov 18, 2005
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    Loc:
    Northeast Pa
    I just got a harman magnum coal stoker i just think that the blower motor is under rated for this great stove. It comes with a 135 cfm blower fan. You would think a stove with this much btu output would have a bigger motor. So i was wondering if anyone knew of a source that has a bigger cfm blower motor? My dealer said harman doesn't make one but there might be a few aftermarket motors out that would work. I've seen units that were rated at 72K btu that come with a 265 cfm blower fan as standard with an option to get a 435 cfm fan.By the way this stove is capable of putting out over 85K btu

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  2. FireJumper

    FireJumper New Member

    Joined:
    Dec 14, 2005
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    121
    You could try looking into grainger. They may carry something a little bigger then what comes with the unit.
  3. Michael6268

    Michael6268 Feeling the Heat

    Joined:
    Nov 19, 2005
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    476
    Loc:
    Grafton NH/Upper Valley
    That is a really nice stove. I almost bought one but the size a the blower was a drawback for me. I went with the Keystoker and got it with the 500 cfm blower, as I too am running it in basement and pumping the heat upstairs. Might want to try to find a keystoker parts source and see if you could retro-fit the blower onto yours.
  4. FireJumper

    FireJumper New Member

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    Just keep in mind that the faster the air travels through the ducting the faster the air is going to cool down. Easy rule - slower means warmer, faster means cooler.
  5. Michael6268

    Michael6268 Feeling the Heat

    Joined:
    Nov 19, 2005
    Messages:
    476
    Loc:
    Grafton NH/Upper Valley
    Yeah and also installing a blower on your stove that is larger than the one that it was designed with might cool the firebox down resulting in improper burn, clinkers etc.
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