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Gas heating exhaust extremely loud

ArturoArturo Member Posts: 1
The vent starts to vibrate and makes a loud noise when it kicks in. It did not do this before. I added a picture of the vent. Can you please advice me on what's possibly causing this?

Thanks,

Art

Comments

  • Tim McElwainTim McElwain Member Posts: 4,290
    I do not recognize the device on your vent

    can you get a name and some numbers from it. If it is a motorized device it could be the motor is going. I would definitely have a professional take a look at it.
  • HenryHenry Member Posts: 914
    Draft enducer

    It is a draft enducer or power vent. You need to get a pro quickly!
  • icesailoricesailor Member Posts: 7,265
    edited January 2013
    Thingy:

    It looks like a Tjernlund SS-1 Side Shot  Power venter to me.

    The fan squirrel cage is probably failing and needs to be replaced.

    With oil, they get dirty and out of balance. With gas, if they condense, the vanes on the fan rot off. The whole thing is replaceable if it a SS-1 Side Shot.

    It isn't installed properly if it is because there are straps that hook into the collar and connect to the boiler exhaust with a big stainless steel clamp.



    http://www.tjernlund.com/Tjernlund_8500000.pdf
  • unclejohnunclejohn Member Posts: 1,420
    Take off

    The inspaction cover and you will most likly find the problem. Did anyone get the 2nd picture to open?
  • icesailoricesailor Member Posts: 7,265
    edited January 2013
    I don't understand:

    I don't understand what you are trying to say. Here is what the SS-2 says and the SS-1 is the same:



    It draws air from outside. It creates draft and draws exhaust gasses from the appliance. It creates negative draft pressure to the appliance. The excess fan pressure, while drawing cool air with the hotter exhaust and cools it, and the only positive pressure is inside the plenum. It has a barometric switch switch to stop the burner if there is positive draft in the intake and it is interlocked with the burner.

    What else is it supposed to do, and why is it illegal. There are an awful lot of them installed.

    The issue was that it is noisey. ts usually the fan being dirty and out of balance.
  • icesailoricesailor Member Posts: 7,265
    Mis-applications:

    It would be a misapplication if it was shoved in a chimney. I don't see a chimney in the photo. Nor do I see the bracket that holds the terminus.

    I'm only responding on what it was, a Tjernlund SS1 Side Shot. Not the application.
  • icesailoricesailor Member Posts: 7,265
    I agree:

    I agree but what I was responding to was that someone didn't know what the appliance was/is. I recognized it as a SS1. We never got into what was wrong with it. And like I said before, I didn't see the Terminus or any chimney. But the complaint was that it was loud. I've replaced more than one terminus on them when they fell apart. I've cleaned the fan wheel to stop the out of balance.

    There was never a discussion about why it was noisy, just that it was a misapplication. Maybe it is, maybe it isn't. I still can't see the other photo and I/we can't see the outside termination.

    There are no limits to non-read instructions and how someone does an install because they know so much, they don't need to read any stinkin' instructions. The same mindset that says that they don't need a digital combustion analyzer, they've been looking at flames for (Fill in the years) and they can set it better than any infernal machine. Then, they go on to tell some antecdotal experience where one was screwed upi by using an analyzer.  Where I work, when the SS-2's came out, a few non-readers installed SS-2's on new installs where the appliance was way over rated for the application. They should have used an SS1. There was no explaining to them why they weren't working so they declared them to be junk and switched to Field SW-4H's.

    They're smart, we're not.
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