Fuel Oil Water Heater Venting

Discussion in 'Water Heater Forum, Tanks' started by Kielanders, Aug 22, 2011.

  1. Kielanders

    Kielanders New Member

    Messages:
    1
    Location:
    Alaska
    I'm installing a new fuel oil water heater in a home we've just purchased. The unit calls for Type L, which has been difficult to source in my very rural area - and postage from mail order outlets is prohibitive, but may be necessary.

    Question:

    My understanding is that Type L is designed for continuous burn not to exceed 570F, and Double & Triple Wall Stove Pipe is designed for 1000F continuous burn.

    Can I substitute Double Wall Stove Pipe for Type L?

    In either case, I would be using a Tee with a Barometric Damper.

    In an attempt to be ultraconservative, I've already tried to make-work Metalbest Class A Insulated Chimney Pipe, but limitations on fitting angles won't allow for flue connection from the unit.
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