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Forensic Steam Problem

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  • Boiler Guy
    Boiler Guy Member Posts: 585
    MD

    The reset is visible right on top
  • Boiler Guy
    Boiler Guy Member Posts: 585
    I agree FD

    But I think the P404's should be replaced with vaporstats. I don't know about you, but I have never been really successful setting the 404 series Ptrols at very low presures with any accuracy MHO
  • RonWHC
    RonWHC Member Posts: 232
    That pipe

    you say "not sure where it comes from," looks like it is going into the jacket cut out for the gas supply line.
  • Bob_19
    Bob_19 Member Posts: 94
    Yes!!!

    > you say "not sure where it comes from," looks

    > like it is going into the jacket cut out for the

    > gas supply line.



  • Bob_19
    Bob_19 Member Posts: 94
    Yes!!!

    that mysterious line is a gas line, not a return.
    The shut-off is just above the boiler.
  • Bob_19
    Bob_19 Member Posts: 94
    The Hi-limit

    is a safety control, as opposed to a operating control. It can be set to the operators discretion, but it will need to be set at a higher setpoint than the operating control cut-out or nusiance shutdowns may occur requiring manual reset. It is just fine at 10psig and probably best to keep it there. As a general rule 5 psig over cut-out is satisfactory to avoid non-attended boiler shutdown.
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