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Different size mains off common header?

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Is there any reason not to take different size mains off a common (larger)header?
E,g,:

Main 1- 2 1/2"
Main 2- 2 1/2"
Main 3- 2" The 2" is shorter then the larger ones.

Header is 4"

Thanks!
Trying to squeeze the best out of a Weil-McLain JB-5 running a 1912 1 pipe system.

Comments

  • EBEBRATT-Ed
    EBEBRATT-Ed Member Posts: 15,544
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    No, how else would you do it?
  • delcrossv
    delcrossv Member Posts: 742
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    No, how else would you do it?

    (??)Take them all up the same size and reduce the small one further down the line? (??)

    Makes life simpler to take the different sizes all the way to the boiler. Glad to know there's no secret sauce with this. :)
    Trying to squeeze the best out of a Weil-McLain JB-5 running a 1912 1 pipe system.
  • EBEBRATT-Ed
    EBEBRATT-Ed Member Posts: 15,544
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    Buying the correct reducing tees will save you from extra fittings and nipples. It's not wrong to use reducers just looks better without them less fittings less chance of leaks
    delcrossv