Gray Water Tank - Venting

Author
PriceCharming
Junior Burger
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2013/01/10 08:31:51 (permalink)

Gray Water Tank - Venting

Hello everyone!
 
I am getting ready to install my Gray water tank.
 
Do I need 2 holes in the top of my tank. One being a vent and one to the P traps or can I use one hole venting on top of the sanitary tee?
 
This is what I would like to do.
 
One hole:

Thank you
 
Randall
post edited by PriceCharming - 2013/01/10 08:51:02

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#1

5 Replies Related Threads

    chefbuba
    Double Chili Cheeseburger
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    Re:Gray Water Tank - Venting 2013/01/10 10:18:00 (permalink)
    You need to ask YOUR HD their requirements on this.
    #2
    PriceCharming
    Junior Burger
    • Total Posts : 12
    • Joined: 2012/12/09 15:58:00
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    Re:Gray Water Tank - Venting 2013/01/10 11:13:49 (permalink)
    chefbuba

    You need to ask YOUR HD their requirements on this.


    Actually I was given our county Plumbing inspectors number last week so thats pretty good advice and will save me doing whatever I am doing twice.
     
    Thanks
    #3
    BTM676
    Cheeseburger
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    Re:Gray Water Tank - Venting 2013/01/10 14:45:00 (permalink)
    Hey, when I installed the plumbing on my truck I added a vent a vent after the p trap and right before the check valve aka backflow connection. I have smooth flow of water going into the tank. My gray water tank has 3-3/8inch female connections, I removed the top cap to vent the tank. Hope this helped. My thread is yet another food truck. If u wanna see pictures.
    #4
    Chicnscoop
    Cheeseburger
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    Re:Gray Water Tank - Venting 2013/01/11 16:09:53 (permalink)
    When I built the trailer I found that the mech vent under the sink cabinet was not enough and the tank was getting airlocked even though technically it shouldn't have according to a licensed plumber. I ended up running a 1/2" pipe from the top of the tank up into the wall of the unit and through the roof with a couple elbows so rain would not get into the pipe.
     
    Let it breathe.
    #5
    chefbuba
    Double Chili Cheeseburger
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    Re:Gray Water Tank - Venting 2013/01/11 23:05:18 (permalink)
    Mine is vented through the roof with 1 1/2" pipe.....Flows like a river when I open the dump valve.
    #6
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