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Thread: Backflow Preventer/Anti Siphon Valve

  1. Print this Post   #1
    Junior Member
    Join Date
    Oct 2008
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    USA - NC
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    1

    Backflow Preventer/Anti Siphon Valve

    Hi I'm new to the forum. We have a Bighorn 3600R/L 5th Wheel.
    When flushing our black water tank, we suddenly heard water gushing inside the wall near the door. I shut the water off and after cleaning up finally found the source. The top of the Backflow Preventer/Anti Siphon Valve had come off. This is a fitting that the plastic flush line screws onto and has a vertical plunger and a horizontral ball and spring.
    I can't find a replacement part!! The fitting is labeled R&B Model 571 110F 125PSI 1/2"

    Any help locating a replacement part would be appreciated.

  2. Print this Post   #2
    Committed Member truknutt's Avatar
    Join Date
    Sep 2007
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    1,764

    Assuming you have tried your dealer and/or Heartland Customer Service.....

    If you have the San-T-Flush system, try Swan Industries (http://www.swanindustries.com/)

    To view their setups:
    http://www.swanindustries.com/catalog/flushing.htm

    Contact:
    http://www.swanindustries.com/contact.html
    TrukNutt & Co.
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  3. Print this Post   #3
    Past British Columbia Chapter Leader sailorand's Avatar
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    Tom
    I had to replace my anti siphon valve last year. Got it from a plumbing dealer for $96. Solid brass to boot. Home depot did not carry it in Palm Springs.
    BC Chapter Rep.
    Love it and would buy it again. 2006 Bighorn 3055, serial # 2808
    Chev 2500 extended cab, Duramax LLY, Silver Birch, 4x2
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    Past BC Heartland Chapter Leader Club #1012





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