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main venting

mel rowe
mel rowe Member Posts: 324
in THE MAIN WALL
On a one pipe system I have a long 2 1/2 in. main that loops around in a crawl space and just before the last two vertical risers,it tees off into a 2 in. sub-main. By my calculations the volume of the 2 1/2 in. main is 2.39 cu. ft. and the 2 in. sub-main is .73 cu.ft. What would you say is necessary for good venting, both quantity and Brand of vent? Appreciate the help.

Comments

  • chuck_6
    chuck_6 Member Posts: 107
    Main vents - Gortons

    Mel:

    The best main vents are Gorton vents. Speak to Ken Kunz at Gorton. His number is (908) 276-1323. He can tell you size and how many main vents you need.

    Chuck
  • mel rowe
    mel rowe Member Posts: 324


    Thanks Chuck, Ken was very helpful and answered all my questions.
This discussion has been closed.

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