![]() ![]() ![]() I actually looked at one today in the plumbing supply house, but it costs $70. I know that there is such a thing as a "side discharge" drain kit. I figure I can cut the two sections of pipe (the drain and the overflow) and solder in a few 1 1/2" 45s to jog them off to the side of the joist, connect to the brass sideways "T" fitting that came with the kit, and then drop down to the P-Trap. The custom overflow kit I bought for the tub is copper pipe. The tub is in an alcove, but I don't want to bump out the tub since then I would have to drill the joist for the drain pipe, which would then be located on the opposite side of the joist, and I dont want to do that. ![]() I'm putting down natural stone so I'm concered about the stability of the floor. I absolutely do not want to cut or modify the joists. I realized too late that the drain on my new tub is centered almost exactly over a joist. I tore out the old cast iron tub and am in the process of replacing it with a Kohler acrylic tub. Install the trim and your done, but if you run into trouble you can ask for help on the forum.I'm in the middle of a bathroom remodel and I've removed the floor down to the joists. After the plug is installed let the tub fill up and leak test the overflow.Leak test the drain outlet for a couple minutes before putting in the plug assembly.It also goes behind the tub and is drawn in tight to the tub by the screw or screws. Place the overflow gasket in with the fat side at the bottom.Tighten in the drain using a PO wrench until the plumbers putty squeezes out and its quite difficult to turn.Put a small bead of plumbers putty around the underside of the chrome drain outlet.When your ready to put in the drain assembly, place the rubber gasket on top of the shoe elbow underneath the tub.You can also mark the pipe just above the fittings to ensure they are fully seated when gluing the pieces together. When your satisfied that the shoe and the overflow elbows will match up with the holes in your tub it should be safe to glue them together ( How to glue pipe).Follow the image above and make sure the Tee fitting is rolling downwards. If they don’t fit you will have to cut a piece to length using the same size and type of pipe. Fit the new drain and overflow pieces together without using glue to make sure they fit the overflow and drain opening of the tub.Disconnect and remove the existing drain and overflow using a PO wrench and screwdriver.Cut the existing drain just below the floor squarely using a hacksaw or pipe cutter if you have one and clean the burrs from inside the pipe.PO wrench Installing The Drain And Overflow. ![]() You may have to remove sections of the wall behind the tub and the ceiling below it. Installing a drain and overflow is a relatively simple project, however gaining access to it is not usually all that simple. Drain and overflow kits can be purchased in ABS, PVC, and brass. There are several types of pre-assembled drain and overflow kits available but I recommend using the twist and close type, as they are less prone to failure and are ascetically pleasing. Whether your changing your bathtub or have a broken pipe it may be necessary to replace the drain and overflow, also called a waste and overflow. ![]()
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