I am looking at replacing a lead drain (trap) , it is an old concrete wash tub that does not have a threaded coupler on the bottom of the sink. It has two studs out of a rectangle piece that seems to be built into the tub. Does any place sell this type?
Thanks

I am looking at replacing a lead drain (trap) , it is an old concrete wash tub that does not have a threaded coupler on the bottom of the sink. It has two studs out of a rectangle piece that seems to be built into the tub. Does any place sell this type?
thanks
No.

Also, you're better off just replacing the tub.

Concrete is a very porous material and is a breeding ground for all manner of cooties.

Growler's bang on. Your best bet would be to replace the entire set up from the stubout all the way. Good luck, Tom