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boiler venting

hi
hi Member Posts: 31
in THE MAIN WALL
I have a Burnham IN7 gas boiler and i would like do build an enclosure around it and would like to make a duct to outside to give it fresh air for combustion what size duct would i need??

Comments

  • Snowmelt
    Snowmelt Member Posts: 1,425
    Contact

    The manufacture
  • j a_2
    j a_2 Member Posts: 1,801
    combustion air

    Please do yourself a huge favor….Contact someone lic. in the field...
  • nicholas bonham-carter
    nicholas bonham-carter Member Posts: 8,578
    Preventing cold air from coming into the boiler during the off periods

    Give some thought to protecting the boiler from freezing, while there is no call for heat.--NBC
  • jonny88
    jonny88 Member Posts: 1,139
    fan in a can

    look up field controls and size the right size fan for your boiler.when your boiler comes on have the fan wired to come on with boiler either that or make some pretty big holes in your wall
  • Bob Harper
    Bob Harper Member Posts: 1,091
    passive makeup air

    Passive MUA does not work reliably and under certain conditions may hurt

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