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Steam pipe insulation! Wondering if this is to close to the boiler exhaust

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matt_spear
matt_spear Member Posts: 2
in Strictly Steam

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  • matt_spear
    matt_spear Member Posts: 2
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    From paper to metal exhaust is about 2 3/4 inches 
  • EdTheHeaterMan
    EdTheHeaterMan Member Posts: 7,834
    edited December 2022
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    That should be fine. The Barometric draft control should be straightened up though.
    Who ever did your last professional adjustment on the draft control did not get an accurate draft adjustment, and therefore your combustion adjustments can not be correct.

    If you did a DIY chimney inspection and put it back that way, the combustion adjustments are now way off.
    Edward F Young. Retired HVAC ContractorSpecialized in Residential Oil Burner and Hydronics
  • pedmec
    pedmec Member Posts: 973
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    Code requires 6" clearance between single wall flue and combustible materials.
  • EdTheHeaterMan
    EdTheHeaterMan Member Posts: 7,834
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    pedmec said:

    Code requires 6" clearance between single wall flue and combustible materials.

    Is Fiberglass insulation Combustable material?
    Edward F Young. Retired HVAC ContractorSpecialized in Residential Oil Burner and Hydronics
    ethicalpaul
  • pecmsg
    pecmsg Member Posts: 4,845
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    EdTheHeaterMan said:

    pedmec said:

    Code requires 6" clearance between single wall flue and combustible materials.

    Is Fiberglass insulation Combustable material?
    Fiberglass NO
    The paper YES

  • pecmsg
    pecmsg Member Posts: 4,845
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    Easy solution
    Cut the insulation back 6" from the vent.

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