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one riser or two riser boiler for this application

Kuti
Kuti Member Posts: 1
getting ready to replace the near boiler piping. Is it ok to have only one riser? Or replace Boiler as well with two risers?

Comments

  • mattmia2
    mattmia2 Member Posts: 10,205
    edited January 2023
    You need to find the manual for that boiler and look at the diagram in it. One is probably ok, reducing it like it currently is probably is not (and I wouldn't recommend it even if the manual says it is ok).

    Obviously the order is all wrong in the header.
  • ChrisJ
    ChrisJ Member Posts: 16,096
    For that boiler?
    I'd do a single 2" or 3" at the most into a proper header.

    Check and see what the manufacturer recommends, but regardless IT NEEDS A PROPER HEADER!
    Single pipe quasi-vapor system. Typical operating pressure 0.14 - 0.43 oz. EcoSteam ES-20 Advanced Control for Residential Steam boilers. Rectorseal Steamaster water treatment
    Long Beach Ed
  • TonKa
    TonKa Member Posts: 104
    edited January 2023
    If that's an EG-30 or EG-35, one 2 inch riser to a 2 inch header with a 1 1/2 inch equalizer is the minimum recommendation by the manufacturer.
    EdTheHeaterMan
  • EdTheHeaterMan
    EdTheHeaterMan Member Posts: 8,319
    It is amazing what you can find on the internet if you look hard enough.

    PEG35PIN Steam boiler manufactured in 2008, shipped without a vent damper

    This is the piping recommended by the manufacturer.

    Edward Young Retired

    After you make that expensive repair and you still have the same problem, What will you check next?

  • EdTheHeaterMan
    EdTheHeaterMan Member Posts: 8,319
    edited January 2023
    It appear that the header is built the wrong way. The steam turns and goes to the right of the boiler riser and the equalizer goes to the left of the boiler riser. Any condensate in the header can not get to the equalizer because the boiler riser is in the way. Here is a suggested piping design that may work better.


    Here is your manual for that boiler.https://www.weil-mclain.com/sites/default/files/field-file/eg-peg-egh-series-4-manual_1.pdf

    Edward Young Retired

    After you make that expensive repair and you still have the same problem, What will you check next?