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Unknown
Unknown
in THE MAIN WALL
Our 80 year old single pipe steam boiler has developed a leak in a short nipple in the return line (see attached photos). What is that thing to the right of the leak - a check valve or trap?

Also, there is no Hartford loop in this system (the vertical pipe shown is for adding fresh water). Shouldn't there be a Hartford loop? Should I add one while fixing the leak?

Comments

  • Unknown
    Unknown


    Our 80 year old single pipe steam boiler has developed a leak in a short nipple in the return line (see attached photos). What is that thing to the right of the leak - a check valve or trap?

    Also, there is no Hartford loop in this system (the vertical pipe shown is for adding fresh water). Shouldn't there be a Hartford loop? Should I add one while fixing the leak?
  • Robert O'Connor_7
    Robert O'Connor_7 Member Posts: 688
    Geoff.

    Yes, thats a check valve. As far as the Hartford Loop goes, check out this.

    http://www.heatinghelp.com/newsletter.cfm?Id=91


    Robert O'Connor/NJ
  • Al Letellier
    Al Letellier Member Posts: 781
    Leak

    Not knowing what the rest of the system is like or how it is piped, I would fix the leak and leave well enough alone. Install a new check valve and grease the cap with never-seize when installing it. Those old system ran well for years the way they were piped and you didn't mention any operational problems. Unless you replace the boiler, just fix the leak. Just my opinion with the info you give.
    the problem with check vavles is that they never get serviced or flushed out and they plug up with mud.

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