remove RPZ valve?

Discussion in 'Irrigation / Sprinkler Forum' started by lawnpsycho, Nov 3, 2008.

  1. lawnpsycho

    lawnpsycho New Member

    Joined:
    Nov 3, 2008
    Is it necessary for the RPZ valve to my lawn sprinkler system be removed for the winter? The service technician that winterized my system told me they do not recommend removing the RPZ valve. Yet, I get conflicting information that says it's a must that the valve is removed and stored in a heated space. Which is correct?
     
  2. maintenanceguy

    maintenanceguy In the Trades

    Joined:
    Aug 18, 2008
    Location:
    Pennsylvania
    If you blow it out well, it should be fine. Make sure there's no water in it and it can't freeze.
     
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  4. Redwood

    Redwood Master Plumber

    Joined:
    Dec 15, 2007
    Occupation:
    Service Plumber
    Location:
    Connecticut
    If it does freeze it's expensive.
     
  5. Gary Swart

    Gary Swart In the Trades

    Joined:
    Sep 1, 2004
    Location:
    Yakima WA
    I always pull mine because it seems there a many little places where water might not blow out. It may be overkill, but at over $100 for a new one, I figure I can spend a few minutes to pull it out.
     
  6. hj

    hj Moderator & Master Plumber Staff Member

    Joined:
    Aug 31, 2004
    Occupation:
    Plumber
    Location:
    Cave Creek, Arizona
    Rpz

    Some backflow units have a plastic cap which breaks when it freezes, RPPBFP's do not so they will break if they freeze.
     
  7. Wet_Boots

    Wet_Boots Sprinkler Guy

    Joined:
    Mar 23, 2007
    Location:
    Metro NYC
    Some localities do not approve of union installations of RPZs, so it would then be necessary to partially dismantle them to get out the water. I have to do that dismantling on most of my own RPZ installations.
     
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