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Type: Posts; User: chris989

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    Sammy 37

    It is an adjustable curb, and they used a 3/8 x1? foam tape.
    the two adjustable portions of the curb (to correct pitch) are fastened with sheet metal screws. I can tap on the sides and make the...
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    the change out was permitted but they went to the...

    the change out was permitted but they went to the city and not the county so it was voided. I am still waiting for the permit and inspection from the county. I inspected it myself and already told...
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    I do not have a picture, the units are in place...

    I do not have a picture, the units are in place and covering this flange.
    The original install was a side shot into a flex connector and then a 90 elbow. The installer removed the 90 and placed the...
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    I did speak to the manufacturer rep and I was...

    I did speak to the manufacturer rep and I was told the curbs can be louder because of the flange directly on the felt paper and not on top of multiple layers of shingles. Also that the downshot can...
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    fan speed

    I do not feel it is the air flow, the unit is already lowered 50 cfm per ton by use of an enhanced start feature. The unit make the noise when the fan is running at 50% in the start up cycle.
    My...
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    Rooftop curb noise and vibration

    Hello,

    I recently had two new trane RTUs installed. I went with curbs and down draft install instead of the original design of stands with side draft attached to a 90 elbow.
    I now have a...
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