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  1. #1
    Stanley Chow's Avatar
    Stanley Chow Guest

    Default Hose bibb height

    Is there a minimum height above grade for exterior hose bibbs? I'm thinking of possible siphoning effect.

    Thanks.

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  2. #2
    Join Date
    Mar 2007
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    Plano, Texas
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    4,170

    Default Re: Hose bibb height

    NO but it needs a vacuum breaker.

    Jim Luttrall
    www.MrInspector.net
    Plano, Texas

  3. #3
    Join Date
    Mar 2007
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    Ormond Beach, Florida
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    Default Re: Hose bibb height

    YES ... the height required for an air gap because you know that atmospheric vacuum breaker is going to be removed ... and because of the closeness of the hose bibb to the wall the air gap may need to be 3 or 4 times the effective diameter of the outlet instead of just 2 times the effective diameter.

    Jerry Peck, Construction / Litigation Consultant
    Construction Litigation Consultants, LLC ( www.ConstructionLitigationConsultants.com )
    www.AskCodeMan.com

  4. #4
    Join Date
    Apr 2008
    Location
    Western Massachusetts
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    536

    Default Re: Hose bibb height

    Quote Originally Posted by Jerry Peck View Post
    YES ... the height required for an air gap because you know that atmospheric vacuum breaker is going to be removed ... and because of the closeness of the hose bibb to the wall the air gap may need to be 3 or 4 times the effective diameter of the outlet instead of just 2 times the effective diameter.
    In my area, the anti-siphon devices need to be non-removable. Which means they either need to be integrated into the hose bibb, or they need to be kept in place with a set screw designed such that the head shears off when tightened appropriately.


  5. #5
    Stanley Chow's Avatar
    Stanley Chow Guest

    Default Re: Hose bibb height

    Thank you All for your responses.

    Stan


  6. #6
    Join Date
    Mar 2007
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    26,250

    Default Re: Hose bibb height

    Quote Originally Posted by Corn Walker View Post
    In my area, the anti-siphon devices need to be non-removable. Which means they either need to be integrated into the hose bibb, or they need to be kept in place with a set screw designed such that the head shears off when tightened appropriately.
    Yep, same all over, except ... people still take them off.

    Sure, the threads on the hose bibb are somewhat buggered up by that broken off screw, but if they can still get a hose to screw onto it ... so what? (That is what they think.)

    Jerry Peck, Construction / Litigation Consultant
    Construction Litigation Consultants, LLC ( www.ConstructionLitigationConsultants.com )
    www.AskCodeMan.com

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