Concern about my newly installed vacuum breaker

Discussion in 'Irrigation / Sprinkler Forum' started by Dato Da, Sep 14, 2019.

  1. Dato Da

    Dato Da New Member

    Aug 24, 2014

    I had the decade-old vacuum breaker for my irrigation system replaced yesterday. The new vacuum breaker is a Febco-765 bought from Home Depot ( When the plumber finished the installation, he asked me to turn on the main from inside.

    When I checked on the VB after the plumber left, the VB was bone dry. I thought the water's supposed to gush out during the initial pressurization process, making the VB wet. That makes me wonder if the VB is properly pressurized.

    My questions:
    1. Is my concern unfounded?
    2. If indeed it sounds like it's not properly pressurized, what should I do to re-pressurize it?

  2. WorthFlorida

    WorthFlorida The wife is still training me.

    Oct 28, 2009
    Orlando, Florida
    Water usually doesn't gust out water when first turned on. Your old one may have done it because the internal components were worn out, the seals dried out and out of calibration. There is nothing to pressurized, you're OK.
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