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sight glass drops about 75% & R Steamaster Tablets

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Lewis
Lewis Member Posts: 11
in THE MAIN WALL
During the 2 hours of my Crown Kingston KSZ075 Steam boiler running, the water in sight glass drops about 50 to 75% and the boiler after it cools down, it returns to normal level. The pressure gauge reads about 1.25
Is that behavior normal? Or does it signify a problem? Could this be caused by the 2” dia instead of 3” dia 24” Riser & 2” dia Header instead of 3” dia?

Does anyone know where I can purchase Rectorseal Steamaster Tablets?

Thanks for your Help.

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  • BobC
    BobC Member Posts: 5,478
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    How long has that boiler been in operation? Pictures of the boiler and the piping around it would help.

    Bob
    Smith G8-3 with EZ Gas @ 90,000 BTU, Single pipe steam
    Vaporstat with a 12oz cut-out and 4oz cut-in
    3PSI gauge
  • Jamie Hall
    Jamie Hall Member Posts: 23,322
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    Sounds more like a problem with slow returns -- but if it doesn't drop to the point where the LWCO operates I wouldn't be too worried.
    Br. Jamie, osb
    Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England
  • Fred
    Fred Member Posts: 8,542
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    Why is that boiler running for 2 hours? Do you use a deep setback and the boiler runs that long to bring the house temp back up?
  • Lewis
    Lewis Member Posts: 11
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    The House Radiator Measurements calculate to 195sq ft and the Oil Fired Steam Boiler, Crown Kingston KSZ075 w/ Beckett AFG Oil Burner, installed is rated at 283sq ft of steam. All radiators are getting piping hot. Unit is one year old.

    Header*.jpg shows top of 28in 2” riser, 2” horizontal header & 2” vertical header. From the vertical header, 1” Equalizer, 1.5” 45 degree take off and then into 2” take off. The 1.5” 45 degree main is ~20ft long & services 2 of the 10 radiators with Hoffman #76 on the end. 2” main is ~50ft long services 8 of the 10 radiators with Hoffman #75 on the end.

    Every 10 minutes, the CycleGard low water cut-off removes power from the burner for the Intermittent Level test.

    Does anyone know where I can purchase Rectorseal Steamaster Tablets?
  • MilanD
    MilanD Member Posts: 1,160
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    @Sailah may have some more steamaster.

    Or try
    http://orders.sidharvey.com/product/R34/F2-9

    That water in the sight glass looks pretty dirty... could be the flash making it green... how's the water bob in the sight glass during the operation - smooth or all over the place?

    Could be the piping pulling water out of the boiler for some wet steam as for the oversized boiler, there should be enough water for the amount of edr attached to it.
  • KC_Jones
    KC_Jones Member Posts: 5,739
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    The boiler is piped incorrectly. In addition to incorrect pipe size (header should be 3" equalizer 1 1/2") the header configuration is wrong. The equalizer is supposed to come off the end of the header not the side as it was done. Also it is much better to have all system takeoffs connected individually to the header not teed together as yours is.

    Was this boiler skimmed after install? My best guess is you are surging due to oil and that is being amplified by the incorrect piping.

    If you don't get the piping fixed you may never be able to get this system to work correctly. You don't need water treatment you need a repipe.
    2014 Weil Mclain EG-40
    EcoSteam ES-20 Advanced Boiler Control
    Boiler pictures updated 2/21/15
  • Fred
    Fred Member Posts: 8,542
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    The near boiler piping is so wrong. It needs to be corrected before that boiler will heat properly. Find your owner's manual and look at what the configuration should be.
  • ChrisJ
    ChrisJ Member Posts: 15,701
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    As everyone said, the piping is completely wrong.
    Also noticed the pressure relief isn't plumbed which is extremely dangerous.

    What did they do to the bottom corners of the boiler jacket? It's all dented on both sides.
    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

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