CPVC pipe is ideal for water supply lines ... “Mixing CPVC and PVC is not recommended,” Taylor says, especially with glue. Each material has a corresponding glue that will not work well ...

Chris Rainaldi of Rainaldi Home Services said that's the problem -- CPVC pipes don't last. "Over a period of time, it gets brittle and cracks and breaks and the glue joints continue to deteriorate ...

I was working with CPVC pipe coupled with joints of varying angles ... is that when the last pipe is cemented in place with glue at both ends, one end will sometimes set up before the opposite ...

Chris Rainaldi of Rainaldi Home Services said that's the problem -- CPVC pipes don't last. "Over a period of time, it gets brittle and cracks and breaks and the glue joints continue to deteriorate ...