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Power vent steam system?

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mrichard
mrichard Member Posts: 27
in Strictly Steam
Can anyone suggest a power vented steam system ? Customer is looking for options,any pro's and con's would be greatly appreciated as well !! Thank you in advance!

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  • Steamhead
    Steamhead Member Posts: 16,844
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    Do you mean

    a boiler that vents out the side of the house, not needing a chimney? 
    All Steamed Up, Inc.
    Towson, MD, USA
    Steam, Vapor & Hot-Water Heating Specialists
    Oil & Gas Burner Service
    Consulting
  • mrichard
    mrichard Member Posts: 27
    Options
    Power vent steam system?

    Yes sir!



    Customer thinking of removing chimney to gain more room in home
  • mrichard
    mrichard Member Posts: 27
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    Power vent steam system?

    Anyone?
  • Steamhead
    Steamhead Member Posts: 16,844
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    Burnham

    has a direct-vented Independence gas boiler, but it's an atmospheric type. Power gas burners in wet-base boilers deliver better thermal efficiency. 



    If the existing boiler is in good shape, a sidewall venting system can be added to it. Tjernlund and Field make these units. Follow their installation instructions to the letter.



    If you go this way, you must exit the building at least a foot above the highest snow accumulation recorded in your area, for obvious reasons. Local Codes will also dictate how far away the vent must be from wall penetrations such as windows and doors.



    Also, any sidewall venting system is more mechanically complex than a chimney. Moving parts WILL fail, which will increase servicing costs.
    All Steamed Up, Inc.
    Towson, MD, USA
    Steam, Vapor & Hot-Water Heating Specialists
    Oil & Gas Burner Service
    Consulting
  • 4Barrel
    4Barrel Member Posts: 125
    edited January 2010
    Options
    local codes

    building codes in my area did not allow a side vent on a residential application - i had to vent through the chimney. my current stack had a narrower than recommended flue diameter, so i installed a tjernlund D-3 draft inducer. works nicely.the point being, as steamhead mentions, you need to check with your customer's local building inspector on the power venting...
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