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Old 09-26-2013, 07:24 PM
jbell36 jbell36 is offline
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Join Date: Feb 2008
Location: KANSAS
Posts: 1,244
Originally Posted by txirrigation View Post
We do it 12 times a week. The performance is better out of a 3/4 @ 12 gpm because the checks fully open and do not "float." Like you said, it fits better in the box and you can get the wye strainer in the box and service it easily.

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let me back up a little...when you install 3/4" backflows, are you using 1" PVC for your systems or 3/4"?
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