Ah, I see where I went wrong. I didn't read the damn instructions. Once I put the plastic adapter and o-ring on the pipe before screwing on the extension nipple everything was fine. I'll never get those 5 hours back.
PS never use one of those newfangled simple push in couplers on a pipe...
I pulled off my tup spouts with the intention of replacing them but I'm having a hell of a time. The sppout pipe is type without threads on the end so I'm just sliding the new spout on and tightening the screw on the bottom real tight with an allen wrench, but water leaks out the back of the...