Had leak at base of tub drain extension. Cracked at elbow which then had another straight piece to a 2nd elbow that went into bottom of an old drum trap(circa 1940's) . Drum trap then emptied out top into what appears to be a 1 1/2 or 2 inch pipe. That pipe angles over into main cast iron drain...

The way the 2" rough in went we ended up with a trap of sorts then a pipe to where the tub trap will be. Not completed yet. Just wondering if a tub trap and a trap made with the rough in piping will cause some sort of problem. The rough in trap was made off a 4x4x2 wye. Would that be adequate...

I just took an old crane drexel sink off the wall and replaced it for the time being ( I want to fix the older sink) with a cheap vanity/sink set. All that was easy enough, but now to my chagrin I can't finish the job. The p trap is too low, the extension pipe from the sink doesn't go all...