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Thread: Boiler system question

  1. #1
    DIY Junior Member jc60618's Avatar
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    Default Boiler system question

    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. #2
    Plumbing Contractor for 49 years johnjh2o1's Avatar
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    The valve should remain open as long as there is a reducing valve between the valve and the boiler.

    John

  3. #3
    Retired Defense Industry Engineer jadnashua's Avatar
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    The system should also have a check valve to prevent stagnant boiler water from potentially back flowing if there were a hiccup.
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

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