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Vent er um Thingy

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Bill Nye_2
Bill Nye_2 Member Posts: 538
in THE MAIN WALL
I can't imagine that romex and other wire would be rated for 400°. I think you are right, it must be a duct booster and not a draft inducer. Misapplication.

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  • Larry F
    Larry F Member Posts: 25
    Vent Thingy

    Saw this on a job the other day. Several issues at this location. This was just another one. The UL sticker didn't focus but it mentioned rating of 180*F. Am I correct to assume this is a duct booster? It's on a vent connector coming off a boiler and downstream from a water heater common connection and according to the customer, it was installed to improve draft. Ack. They're getting a different outfit to come and clean up this among other issues. The wall penetration isn't the flue. It passes through the wall and then travels another 15-20' through an unconditioned crawl space before entering the flue. All single wall pipe. The vent in the crawl is surprisingly in pretty good shape, I guess since it gets replaced more often than the basement run. Got me a new cam for Christmas so hopefully I can send more amusing pics from my world now and then. Hope all on the Wall had a great Christmas.

    Take care

    Larry
  • Rookie_3
    Rookie_3 Member Posts: 244


    It's a draft inducer. Set up correctly they are interlocked in the burner circuit so if it is not running the burner won't fire. They boost the draft as the H/O said. Was there condesate at the end of that long run?
    Love the romex, supply house must have been out of BX Huh?
  • ChasMan
    ChasMan Member Posts: 474
    Speaking of things electrical in vents...

    Do they make an electric damper for oil burners that work well? I sometimes get a lot of air comming in the chimney when the boiler is off.
  • brucewo1b
    brucewo1b Member Posts: 638


    http://www.fieldcontrols.com/ab-4thru14.html
  • Bill Nye_2
    Bill Nye_2 Member Posts: 538
    Draft inducer

    This is the one that should be used in flue pipe


    http://www.fieldcontrols.com/draft.inducers.html

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  • Larry F
    Larry F Member Posts: 25
    I agree

    It had no means of proving operation and definitely not rated for vent temps. Add to that it had 120V wiring inside the vent. Ewww.
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