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    Jonstar's Avatar
    Jonstar Posts: 25, Reputation: 1
    New Member
    		  
    #1

    Feb 12, 2008, 11:51 AM
    Ejector Pit Venting - Will this work?
    My house was built in the 50's so I've got a cast-iron stack that drops out to the road about 4' up my wall. I'm putting in a basement bathroom and need to vent the system properly. I've been on this forum to figure out how to vent my drainage but now I need to vent my ejector properly.

    I can't get a 2" pipe up through the wall where my stack goes up to the roof. There is also a drain up higher in the 2nd storey that drains into the stack so I can't tie into the stack at all. I have a 1.5" pipe going out the roof that isn't being used on the other side of my house. I should be able to replace the 1.5" pipe with a 2" pipe and get in the attic to connect it into the roof vent (which is 3").

    Here is the problem: The roof vent that I want to run would require an approx. 35ft. Horizontal run (on a slight grade for water in line). It would then run up to the attic (just one storey), then over another 3ft. Horizontal run then into the roof vent.

    Is this a problem or will this vent work even with a run like that?

    I've included a drawing.

    As always, any help is much appreciated!
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    ballengerb1's Avatar
    ballengerb1 Posts: 27,378, Reputation: 2280
    Home Repair & Remodeling Expert
    		  
    #2

    Feb 12, 2008, 12:37 PM
    Where did you tie in your ejector drain? That stack could be your wet vent.
    massplumber2008's Avatar
    massplumber2008 Posts: 12,832, Reputation: 1212
    Senior Plumbing Expert
    		  
    #3

    Feb 12, 2008, 01:48 PM
    Jonstar... should be no problem on the run of vent as presented. Pitch it as mentioned and will be fine.
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