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Who tests backflow assemblies?

Discussion in 'Irrigation' started by Mike Leary, Apr 17, 2007.

  1. Mike Leary

    Mike Leary LawnSite Fanatic
    Posts: 21,976

    We used a Watts DT-DL (down load) test kit for years. Had it calibrated
    this season & it's giving uneven (don't trust) results. Have any of you guys
    had this experience or should we get a Midwestern & eat the Watts?

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