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I just finished my basement (everything but the bathroom). The basement already had a working ejector basin supporting a laundry room setup, and had rough-in for the bathroom feeding into the same line to the basin. However, the basin only had a "sump-pump" in it that was discharging the water from the washer and laundry tub. I have since replaced the "sump-pump" with an ejector pump and valve setup, and I have a question about sealing the basin lid, etc. Now that we are "living" in the basement, I want to be sure the basin lid, etc are sealed properly so there will not be unwanted odors once we start using the toilet. Thanks for the help.
If it is the correct basin and lid, then there will be at least three holes in the top. One will be a "flanged" opening for a vent, either threaded or compression sealed. The second will be for the 2" discharge and it will have a rubber compression ring to seal the pipe. The third one will be for the cord(s), and will have a rubber bushing with small openings for the cords to pass through, which "pops" into the hole and seals it. Then the lid itself will bolt to the basin with a rubber gasket under it, or caulking, to provide a seal.
You are spot-on on all that description except the rubber seal or caulking on the lid. The lid is in two half-moon pieces (one side has the vent, the other has the output). There was no seal or gasket either around the outside or along the seams between the two. I'm wondering what I should use to seal the entire system, and also what else I should do to maintain the system in terms of odors or general maintanance. Thanks for the help.
I had a customer have me use plumber's putty. The first time I have ever used putty to seal a sewage ejector lid. I don't know if that was kosher or not, but it squeezed out pretty well and seemed to work. Gotta figure that was used for sealing toilets to flanges, might just work for lids. No bolts for this lid either.
Tub and tile caulk will seal the edges and rim, or you can use a sticky back foam rubber caulking.
lift off the 2 pieces of the lid. everywhere there should be a rubber gasket, apply 100% silicone seal. carefully cover the silicone with plastic wrap. set the lid down securely and let the silicone set up well. remove the lid, remove the plastic wrap and reinstall the lid. you will have a perfect seal that will not hinder future access. one tip when installing the ejector pump. make sure the waste etc. coming into the tank does not land on top of the float mechanism.
I like it! I think I'll go with that, and the caulking around the edges. Thanks for the help.
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