Results 1 to 4 of 4
  1. #1
    Join Date
    Jun 2008
    Location
    chicago suburbs
    Posts
    208

    question about code and flue pipe?

    I have a couple questions. Is there a minimum height requirement for the flue pipe before using an elbow at the top of the furnace for a 80% furnace? Does code dictate using a bottom return box as opposed to using side return? thanks
    learn from yesterday, experience it today, gain knowledge for tomorrow.
    -Amech

  2. #2
    Join Date
    Sep 2008
    Location
    VA
    Posts
    1,716
    Quote Originally Posted by Amechanical View Post
    I have a couple questions. Is there a minimum height requirement for the flue pipe before using an elbow at the top of the furnace for a 80% furnace? Does code dictate using a bottom return box as opposed to using side return? thanks
    Depends on the furnace and the mfg. you need to look at the install instructions.
    "The only true wisdom is in knowing you know nothing" Socrates

  3. #3
    Join Date
    Jul 2009
    Location
    Columbia, MD
    Posts
    3,384
    code does not dictate how your ductwork is. unless you have a open return in the same room as the appliances.

    depends on manufacturer with the venting. You should be able too. I would let my combustion analyzer tell me if i could or not.

  4. #4
    Join Date
    Feb 2010
    Location
    In a boiler room
    Posts
    6,914
    Bottom return vs side return will usually depend on how much air the furnace has to move. What BTU rating is the furnace?

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  
Comfortech Show Promo Image

Related Forums

Plumbing Talks | Contractor Magazine
Forums | Electrical Construction & Maintenance (EC&M) Magazine
Comfortech365 Virtual Event