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question on cold water inlet on steam boiler

bennythepitbull
bennythepitbull Member Posts: 37
in Strictly Steam
based off the image below ( which is crown near boiler piping kit ) would the area marked 12 be the best spot for the cold water inlet or am I off with my thinking. The set up is for a one way steam system. any example photos would be helpful





Brirob

Comments

  • EBEBRATT-Ed
    EBEBRATT-Ed Member Posts: 16,248
    13,14 or 20 would be better choices. Not12 too close to the water line
  • JohnNY
    JohnNY Member Posts: 3,287
    I feel like 12, being the termination of the system return, is fine.
    Contact John "JohnNY" Cataneo, NYC Master Plumber, Lic 1784
    Consulting & Troubleshooting
    Heating in NYC or NJ.
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  • neilc
    neilc Member Posts: 2,785
    edited November 2021
    this is funny,
    there are two 12s,
    one at the close nipple, hartford,
    one at the floor, wet return,
    the bottom one wins.
    known to beat dead horses
    bennythepitbull
  • bennythepitbull
    bennythepitbull Member Posts: 37
    thanks funny did not see the second one till today so you say the one between 21 and 20
  • realliveplumber
    realliveplumber Member Posts: 354
    The number is used to describe a specific fitting. The number 4 appears multiple times, it is an elbow. The 12 is a tee.
  • EBEBRATT-Ed
    EBEBRATT-Ed Member Posts: 16,248
    Then maybe @JohnNY & I are both right. I wouldn't put it in the Hartford loop tee. you will get water hammer.

    @bennythepitbull

    21, 20,14 are good You don't want to put cold city water directly into the boiler. You want the cold make up water to mix with the returning warm condensate to warm it up
    delcrossv
  • bennythepitbull
    bennythepitbull Member Posts: 37
    just to be clear I'm referring to the bottom 12, I missed the fact that there was 2 12's, and I am aware its pointing out a part just did not see the top 12 --
    would anything be wrong with number 22 the back side of the tee for a cold water inlet, or is the bottom 12 better then 22

    again thanks all


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