Oil fired boiler

Discussion in 'Boiler Forum' started by Paso One, Sep 21, 2009.

  1. Paso One

    Paso One New Member

    Oct 14, 2008
    I am installing a small oil fired boiler Benjamin OB1000 90,000 btu in my shop. Is there any reason I shoudn't use the brand new type b vent pipe for the chimney that I have just sitting there??
    The manual says to use L type venting. Whats the differance between the two pipes.
  2. MAoilTech

    MAoilTech New Member

    Nov 24, 2009
    Oil Tech,HVAC
    Follow your state and local Codes if it tells you to use type L use it there is a reason.
    Type L vents are suitable for use with gas or oil. They can be used instead of a B vent, but a B vent can't be used instead of an L vent. In most cases, L vents are used with oil. Again, this is typically a double wall vent with an air space between. The inner wall is typically stainless steel and the outer wall is galvanized. Type L vents normally see temperatures of under 750F. Type L vents are tested for up to 1,000F.
    Last edited: Nov 24, 2009
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