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Peerless heat exchanger pins pop off

Dave Mundee
Dave Mundee Member Posts: 10
in THE MAIN WALL
No, nice and clean. They were just grey cast iron color. It was nice and dry and it brushed out cleanly.

Comments

  • Dave Mundee
    Dave Mundee Member Posts: 10
    Peerless heat exchanger pins fail

    When I cleaned my 4-year old Peerless WBV04 hot water boiler last week there were 6 of the cast iron heat exchanger pins laying in the bottom of the combustion chamber. Why would those pop off? Is that a problem with the Peerless casting? The loss of 6 pins isn't great but if it continuse it decreases the heat transfer capabilities. It is a cold start boiler but I don't know if that's a factor. Peerless markets it that way and I have other cold starts that are much older and never had a problem. Has anyone seen this and is there anything I can do to prevent further pin loss?
  • Empire_2
    Empire_2 Member Posts: 2,340
    Never seen it, but

    Were the little nipples as I call them very rusted? Maybe excessive condensation inside on the casting?
  • keith
    keith Member Posts: 224
    pins

    Dave,
    We just assembled a Weil Mclain 80 series boiler that I noticed had some issues with the pins.

    A few of the pins looked like they were snapped off before the metal had a chance to cool off.

    Keith
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