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Thread: Backflow Preventer Sizing

  1. 04-05-2005, 12:49 PM #1
    sgwynn
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    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.
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  2. 04-05-2005, 02:34 PM #2
    Gary Swart
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    No problems.
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  3. 04-05-2005, 02:57 PM #3
    sgwynn
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    Would there be any advantage to it? I.E. better pressure or maybe he only had a 1" on hand?
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  4. 04-05-2005, 10:34 PM #4
    Gary Swart
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    I can't see any advantage, but it certainly won't be a problem with pressure or volume.
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