IMM wrote:

Read my post on why it is better.

What, because the fittings are partially steel with steel
inserts? That isn't an argument.

The weakest point in a pushfit fitting is the O ring. If
anything's gonna give, it'll be that. I reckon you'll get an
easy 40-50 years life out of an O ring, which for most people is
plenty.

--
Grunff