Boiler system question

Discussion in 'Boiler Forum' started by jc60618, Dec 12, 2009.

  1. jc60618

    jc60618 DIY Junior Member

    Joined:
    Dec 12, 2009
    Occupation:
    Apprentice Plumber
    Location:
    Chicago
    I have a dumb question. I have a boiler system my question is, once the system is filled and the correct PSI is reached does the gate valve have to be closed or does it need to remain open? The gate valve is before the reducing valve.
     
  2. johnjh2o1

    johnjh2o1 Plumbing Contractor for 49 years

    Joined:
    Aug 9, 2009
    Occupation:
    Retired
    Location:
    South*East
    The valve should remain open as long as there is a reducing valve between the valve and the boiler.

    John
     
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  4. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Joined:
    Sep 2, 2004
    Occupation:
    Retired Systems engineer for defense industry.
    Location:
    New England
    The system should also have a check valve to prevent stagnant boiler water from potentially back flowing if there were a hiccup.
     
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