![]() ![]() Simple or not, it is good to review the information required. ![]() Does it have to be perfectly horizontal? Seems like a slight angle going up would let the water flow into the 3 inch drain better.Today we want to help you in determining the pump head for sump and sewage applications. On a side note, when connecting the sink drain to the 3 inch drain under the concrete, in an earlier post, you had said to use a wye "with the side opening coming off the line horizontal". But there doesn't seem to be enough pipe to work with (see red circle). However, I think I need to extend the pipe that's between the 1/8 Bend and the 1/4 Bend. The builder stubbed it out kind of how it is in your diagram. My main problem is how to connect the discharge pipe to the main drain. I need to extend the pipe below the cover. I just don't want to break the cover if I use too much force, like hitting the top of the pipe with a rubber mallet. What I meant to say was that the pipes won't budge from the grommets on the cover. The pipes coming out of it are actually already cut and capped off above the cover, and the pump hasn't been installed yet. The cover is PVC and made by Top Industries Incorporated. Thank you again, Lazypup, so much for taking the time to help me with my plumbing issues. I could add a 90 degree fitting below the existing 90 degree fitting to extend the pipe across, however the pipes would then drop below the joists and I would have to drop the ceiling down. ![]() However, there's not enough pipe for the coupling to attach to. Ideally, I would have liked to cut that pipe in between the 45 degree fitting and the 90 degree fitting (pic 4) and extend the pipe to the ejector pit. Lastly, can you suggest the best way to tie the discharge pipe into the main waste drain? The picture shows the close-up and wide shot of how it's set up now (pic 4 and 5). And if the pipe measurement is off by a tiny bit, the pump would dangle above the floor, or the cover would not go down and seat properly. So how would I connect the discharge line to the pump? Seems like I would have to connect the pipe, while it's on the cover, to the pump at a precise measurement and lower the whole assembly into the pit. The tape measure is where the sink drain should be located.Īlso, I can't seem to move the pipes up or down that are connected to the ejector pit cover (pic 3). I'm guessing there's a 90 degree bend toward the WC? Can you tell me the best way to tie into it with the new information? BTW, the floor plan I uploaded wasn't accurate. I opened up the ejector pit cover and discovered that the input line is coming in from towards the wet bar wall, and not a direct line from the WC (pic 1). You could then either continue the riser up to the ceiling and across and connect to the vent behind the WC or you could install an AAV on the riser, but if you install an AAV it must be in an accessible location and the bottom of the AAV must be 6" higher than the fixture arm. You could then put a street 1/4bend on the wye turning up and another 1/4bend at floor level so you could run the line above the floor.ĪT the sink your line will rise vertical to the sink with the sink fixture arm connected to the vertical riser. The connection to the 3" line MUST BE made by means of a wye on the 3" with the side opening coming off the line horizontal. You could either break out the concrete all the way to the sink or you could run the sink drain line just above the floor in the back of the cabinet out of sight and offset it down just before connecting to the 3" line. I then annotated in blue how you could attach your sink drain to the ejector input line. I have copied your print and I annotated it in red with my "Best guess" as to how your DWV is laid out. If it has the rigid area where the pipes are connected, look and see if it has a 2" port that is plugged? If it does, you could pull that plug and connect your sink drain through the top and you won't have to break any concrete. If you can open the service access cover without disconnecting the lines you don't need a union.Ĭheck that top carefully. Most of them have a rigid section where the pipes are connected and the service access cover is slightly smaller than the top of the ejector pit. First examine the top of your ejector cover. ![]()
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