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VC ventfre Lp rumbles

Post in 'It's a Gas!' started by stoveguy2esw, Jan 10, 2011.

  1. stoveguy2esw Minister of Fire

    joined: Nov 14, 2006
    4,500 posts
    madison hgts. va
    hey gang , one of my co-workers has a VC ventfree stove , i do not know the model yet has an odd issue that has just started

    new installation , not a replace of existing unit , so completely new plumbing and stove
    the unit "rumbles" when its started up, she can cut it off and relight it and it sems normal, then after a short time rumbles start again. unit ran for a couple weeks with no issues just started doing this 2 days ago.

    any ideas?????
    stoveguy2esw, Jan 10, 2011
    #1

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  2. DAKSY Super Moderator

    joined: Dec 2, 2008
    3,988 posts
    Averill Park, NY, on Burden Lake II...
    You don't say which fuel type she has, so I'll go out on a limb & take a guess...
    Sounds like she's getting the LP jet burner syndrome.
    She probably has ignition at the air shutter, because of a misalignment
    between the burner orifice & the burner tube.
    That allows some of the LP to get out of the burner tube & into the cavity
    underneath the burner, thru the air shutter.
    LP is heavier than air, so it'll puddle down there until it builds up enuff
    to ignite from the pilot flame.
    It'll roar like a jet engine...
    This happens when stoves get shipped & jostled around, & should've
    been checked prior to install.
    DAKSY, Jan 10, 2011
    #2

  3. Wood Heat Stoves Minister of Fire

    joined: Jun 12, 2009
    1,882 posts
    Nevada City, California
    yup, sounds like "fire in the hole" to me too
    Wood Heat Stoves, Jan 11, 2011
    #3

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