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Thread: Pressuretrol

  1. #1
    Join Date
    Dec 2003
    Posts
    22

    Pressuretrol

    hello my Burnham v9a has two pressuretrol boxes on it, would like to know where setttings should be. pressuretrol on left has diff @ 2.5psi and main @ 5psi. right pressuretrol only has main which is set @ 7psi

  2. #2
    Join Date
    Jan 2012
    Location
    Broomall, PA
    Posts
    397
    could use way more information....explain the whole system. Unless this is used to heat half of Manhatten, or the steam is needed for manufacturing, its way too high...
    The 7psi is probably a manual reset hi limit.
    post some pics...
    Same goes for the other website, but post in Steam section

  3. #3
    Join Date
    Jan 2004
    Location
    Lancaster PA
    Posts
    68,117
    The one set at 7, is a code required second pressure control. the first one, is set to high. Probably because the boiler makes steam too fast. And the far radiators weren't getting any steam.
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