Originally Posted by zzyzzx
Personally, I don't like to mix and match, so if I need to add or redo something I match whatever is already in the house. Meaning if copper is there, I do everything new in copper. If it's CPVC, I use CPVC, etc.
You would have liked my old house.. we would get random waterfall from some kitchen cupboards under the 2nd floor bathroom.
It had full tile floor. I would shut off the water to the house and no leaks.. would hold full pressure.
finally I went and bought an inspection camera and started pulling tiles and running tub etc.
ended up being a cracked cpvc pipe joint. that had copper on one end going to tub and black iron going from the basement to the 2nd floor.
when you would flush the toilet about 1/3 the time it would start squirting inside the bathroom floor.
Let me tell you those oscillating multi tools are AWSOME.. for that kind of work.
Oh and the cracked pipe joint was actually 12ft away from where it was coming out of the kitchen ceiling/cupboards.