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Short Section of Level Pipe (not pitched)

I am attempting a single pipe system radiator installation this weekend. There is existing pipe in the crawl space that previously plumbed to a baseboard steam radiator on the opposite wall. It will make it easier to get a square connection at the union between valve and radiator if I have a short run (~12") of level (unpitched) pipe connected to the vertical leg that goes through up through the floor. Would short run of level pipe be a recipe for steam hammer?

Comments

  • JUGHNE
    JUGHNE Member Posts: 8,425
    If you look at some of the original piping for your 1 pipe system, you may see what is referred to as "swing 90's".
    That lets you get slope on the horizontal run out and a plumb riser for valve alignment.

    Looks like extra fittings but there is a reason for it.
    2wheelinfool
  • KC_Jones
    KC_Jones Member Posts: 4,653
    Use 2 90° elbows to allow the pipe under the floor to pitch and the pipe going through the floor to be plumb. See picture.
    2014 Weil Mclain EG-40
    EcoSteam ES-20 Advanced Boiler Control
    Boiler pictures updated 2/21/15
    ethicalpaul2wheelinfool
  • JUGHNE
    JUGHNE Member Posts: 8,425
    Great minds......... B)

    You may need the same at the main take off as at the riser.
    KC_Jones
  • 2wheelinfool
    2wheelinfool Member Posts: 30
    Swing 90 did the trick. The diagonal pipe was existing. I used a 45 and 3 90's to get up to the radiator. The pipe insulation is kinda crappy looking, but it works.



  • 2wheelinfool
    2wheelinfool Member Posts: 30
    I am proud of my paint job on the radiator, valve and trim ring. Before shot taken in my neighbor's garage. Nice of him to gift it.



    JUGHNESTEVEusaPAPC7060
  • EBEBRATT-Ed
    EBEBRATT-Ed Member Posts: 9,175
    Very nice! Good job.
    2wheelinfool
  • Steamhead
    Steamhead Member Posts: 14,564

    Very nice! Good job.

    This!
    All Steamed Up, Inc.
    Steam, Vapor & Hot-Water Heating Specialists
    Oil & Gas Burner Service
    Consulting
  • JUGHNE
    JUGHNE Member Posts: 8,425
    Looks great...is it quiet?
  • Clance
    Clance Member Posts: 52
    Looks awesome! What type of paint? A lot of prep?
  • 2wheelinfool
    2wheelinfool Member Posts: 30
    Thanks for the compliments.

    Prep was leak test, power wash, sand, and wash again, sun dried thoroughly. Many coats of standard walmart krylon applied. No high temp.
  • 2wheelinfool
    2wheelinfool Member Posts: 30
    I didnt hear any water hammer, but was only in the room for a couple cycles. It's in the tenent's apartment.
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