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Heating oil furnace exhaust

St1439
St1439 Member Posts: 2
in THE MAIN WALL

Hi I'm installing a fuel oil furnace in my pole barn.

Can I run the exhaust threw side wall or does it have to go through the roof

Also what type of pipe should I use

Thank you

Comments

  • pecmsg
    pecmsg Member Posts: 5,907
    edited April 4

    that’s all listed in the installation and operations manual.

    you need to follow what the manufacturer recommends

  • EBEBRATT-Ed
    EBEBRATT-Ed Member Posts: 17,548

    You can't use single wall pipe and no "B" vent which is just for gas.

    You need type "L" metalbestos. Must go through the roof but read the manual it will tell you.

    It is expensive

  • St1439
    St1439 Member Posts: 2

    I'm having trouble finding the exact manual for my unit. It's an older Williamson high boy

    I pulled the burner assembly and inspected it. Fire box and everything is in great condition.im wanting to install it as safely as possible,and I know that I need to get an barometric damper also. Best price I found on the pipe you mentioned is roughly 100 dollars a foot. Got furnace for free. With pipe and dampener I'm looking at over 2,000,think I will check with some local HVAC installers and see if I can get any of it used. I'll also need a boot seal were it goes threw the roof

  • pecmsg
    pecmsg Member Posts: 5,907
    edited April 5

    so how do you know it’s sized properly for the location?

    https://www.williamson-thermoflo.com

  • EBEBRATT-Ed
    EBEBRATT-Ed Member Posts: 17,548

    @St1439

    Might also try a sheet metal shop if you have one in your area.

    St1439
  • SuperTech
    SuperTech Member Posts: 2,569

    Maybe a Field Controls or Tjerlund sidewall power venter could be an option? That would require installation by someone who has a digital combustion analyzer in order for it to function properly.

    Unfortunately I don't think I have ever come across a residential power vented oil fired furnace or boiler that was set correctly.

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