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Primary/Secondary

Andy Morgan_2
Andy Morgan_2 Member Posts: 147
in THE MAIN WALL
Correct me if I am wrong, The supply and return tees are supposed to be no more than 4 pipe sizes apart, right?

What,if any, is the reccomended distance betwwen one set
of S/R tees and the next set of S/R tees?

Thanks

Andy Morgan

Comments

  • Ray M_2
    Ray M_2 Member Posts: 64
    P/S

    The ideal lenght is 6 inches.

    lol Ray M

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  • hot_rod
    hot_rod Member Posts: 23,415
    the closer the better

    on the S&R tees. With a T-drill I can get down to about 2". The goal is to have as little pressure drop as possible between the branches. Although zero pressure drop is almost impossible. The goal is to eliminate any encouragement to flow, or ghost flow, to those branches. The new intergral check pumps pretty much solve that problem for you.

    Put as much distance as possible to the next set of tees. 12" would be nice, but I have seen panels with as little as 6" that appear to work fine. In my opinion.

    hot rod
    Bob "hot rod" Rohr
    trainer for Caleffi NA
    Living the hydronic dream
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