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The rubber gasketed model will work just fine. You have to secure the drain to the shower pan before setting it son any connection has to be made between a stationary pipe and a stationary drain. Some drains use a rubber seal that is "caulked" into place and they also seal properly. : Folks, : I'm a homeowner and trying to replace the upstairs shower (a plastic shower pan with tiled : wall arrangement) with a 2 piece fiberglass unit. I'd rathern not have to cut away the downstairs : stippled ceiling to get access to the floor drain plumbing from underneath the shower stall. : (Reason: this gives much more work in repairing the opening, replacing the stipple, and then : painting the whole ceiling there). But feel that I can prepare the plumbing from the top (access) : by cutting away some plywood flooring, positioning the drain pipe correctly, and then replace the : plywood flooring that was cut away. Then I can set the fiberglass unit in place. The question is : this: does a floor shower drain fitting exist that allows me to connect to the drain pipe (2" PVC) : from the top, without having to gain access from below, AND, is reliable agains leaks? (I'd like it : to last at least 10 years not leaking, if possible). Please help me. : I have purchased two styles, one is: a type made of PVC and of solvent weld connection : to the drain pipe (seems to require access from below to glue the connections between it and : the drain pipe). The other is a cast brass type with an elongated rubber ring seal that fits into : the brass fitting and goes around and seals around the outside of the 2" PVC drain pipe. : (It has a threaded ring that screws into the inside of the drain fitting and pushes down on the : rubber ring so that it tightens against the outside of the 2" PVC down drain pipe. This system : does not seem as watertight as the solvent weld variety). Is there a better system out there : that I can do this job without cutting out the downstairs ceiling to gain access to the plumbing? : Say, a fitting that has a more secure screw in type of arrangement that I can connect to the : drain piping from the top, by, say, a screw-in motion? Please please help me. Thank you : very much. I would also like advice on the cast brass drain fitting I described, please. Is it : reliable, and would you use it in your home. Thank you very very much. : tony de crescentis
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