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Thread: Backflow Preventer Sizing

  1. #1

    Default Backflow Preventer Sizing

    Greetings all! I had a backflow device (Zurn 975 XL) installed for an irrigation line. The line is 3/4" and the backflow device is 1". Is there any problems with this setup?

    Thanks much.

  2. #2
    In the Trades Gary Swart's Avatar
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    Sep 2004
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    Yakima WA
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    Default

    No problems.

  3. #3

    Default

    Would there be any advantage to it? I.E. better pressure or maybe he only had a 1" on hand?

  4. #4
    In the Trades Gary Swart's Avatar
    Join Date
    Sep 2004
    Location
    Yakima WA
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    7,244

    Default

    I can't see any advantage, but it certainly won't be a problem with pressure or volume.

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