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Inline stove damper

  • 03-11-2018 9:54am
    #1
    Jcanty85
    Registered Users, Registered Users 2 Posts: 95 ✭✭


    Hi all,

    Not sure if this is the right area but any advice would be greatly received. I had a Boru 400i insert stove fitted last year ( lined chimney and anti downdraught cowl). The draw on the chimney was far too much resulting in a huge fire even when all controls were turned down fully. I changed the anti down fraught cowl for an ordinary hat hoping this would allow air back down the chimney thereby slowing the airflow up. This has worked to a degree and you can notice the difference however there still is far too much draw and I can't cut the fire down as much as I would like. I've checked the seals, door seems fine, possibly a small draw from around the ash pan/primary air control but not bad..I'm just wondering if anyone has ever come across a damper for an insert stove as I think this might be the solution?? Thanks in advance for any help


Comments

  • #2
    John.G
    Registered Users, Registered Users 2 Posts: 3,623 ✭✭✭John.G


    Jcanty85 wrote: »
    Hi all,

    Not sure if this is the right area but any advice would be greatly received. I had a Boru 400i insert stove fitted last year ( lined chimney and anti downdraught cowl). The draw on the chimney was far too much resulting in a huge fire even when all controls were turned down fully. I changed the anti down fraught cowl for an ordinary hat hoping this would allow air back down the chimney thereby slowing the airflow up. This has worked to a degree and you can notice the difference however there still is far too much draw and I can't cut the fire down as much as I would like. I've checked the seals, door seems fine, possibly a small draw from around the ash pan/primary air control but not bad..I'm just wondering if anyone has ever come across a damper for an insert stove as I think this might be the solution?? Thanks in advance for any help

    This may point you in the right direction maybe.
    Relation has a Stovax Riva 66 (multi fuel) which had the same problems as you
    he said there is a damper which controls the air flow up through the grate, I think its a rotary damper and he found that bits of cinder were getting trapped in it allowing excess air flow, he now cleans this part regularly.


  • #3
    sky6
    Registered Users, Registered Users 2 Posts: 1,444 ✭✭✭sky6


    Could you fit a piece of steel plate on top of the Grating with just a few holes in it to slow the air flow down.


  • #4
    John.G
    Registered Users, Registered Users 2 Posts: 3,623 ✭✭✭John.G


    sky6 wrote: »
    Could you fit a piece of steel plate on top of the Grating with just a few holes in it to slow the air flow down.

    That might help but the air must be getting in from somewhere, it doesn't matter how much of a draw there is from the chimney, IMO he should concentrate on the area around the ash pan and look for any likely likely spots where the air can get in, it doesn't take much of a "hole" to create a hefty draught.


  • #5
    Jcanty85
    Registered Users, Registered Users 2 Posts: 95 ✭✭Jcanty85


    Do you think it would be worth replacing the rope around the ash pan? It's a new stove but this is the only area that there seems to be air getting in. Should the controls be able to cut down the fire completely regardless of draw?


  • #6
    John.G
    Registered Users, Registered Users 2 Posts: 3,623 ✭✭✭John.G


    Jcanty85 wrote: »
    Do you think it would be worth replacing the rope around the ash pan? It's a new stove but this is the only area that there seems to be air getting in. Should the controls be able to cut down the fire completely regardless of draw?

    I really don't know but I would imagine that there is a minimum air flow specified for each output, the damper controls may be indexed, say 1 to 8 or something like that with 1 being the minimum.?

    Re the ash pan, can you just seal it with something temporary just to see if it cuts down the amount of air?, there must be a good few posters on Boards.ie who have this stove and I wonder are they experiencing the problems that you are.


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