Question #2: Do I just insert the 4" PVC into this, letting it protrude into the inside of the basin a couple of inches, and that is it? Does that make a tight enough connection to stop oders? It is a Little Giant and the 4" inlet has a rubber grommet. This way the front hole can be only the toilet and it's vent on one fitting. He knew exactly what I was looking to do and helped me lay out the fittings.Ī) use a different fitting, one with two incoming and a vent on top.ī) utilize the second hole that is on the back of the basin for the sink and shower. If I do need to vent it, is a fitting made that would be like a triple cross-tee?- 4" run and 2" arms on left, right and top? If so, I'm not sure why the guy at the plumbing place wouldnt have suggested this. These two can easily be vented as they will be 4 or 5 feet from the basin, so there is plenty of opportunity to vent them.īut the toilet is so close that I can't fit another fitting between it and the basin.īased on the close distance, is it possible that I don't need to vent this toilet? That the close distance to the basin would be the equivalent of a direct vent? The two 2" parts of the cross-tee will be for the sink (reduced to 1.5") and shower. Then another short length of 4" PVC to go into the basin. Then a 4" piece with two 2" sanitary tees (I believe it is called a cross-tee). Then a small piece of 4" PVC to act as a close nipple. The toilet flange will connect to a 4" elbow. So, distance from the center of the toilet flange to the basin input hole will be about 16-20 inches. The way I am laying this out, the toilet will be right in front of the basin (the basin will be on the opposite side of the interior wall where the toilet is going to be). But for the toilet, the problem I am facing is that I dont have much room-unless I change my layout. I have read that each fixture needs to be vented before going into the basin. The pump/basin will handle the following fixtures: I am adding bathroom to basement and will be using a sewage ejector pump and 30 gallon basin.
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