Peter wrote:
Do manufacturers quote mean time to failure of pushfit plumbing? I'm
trying to decide whether to do some re-plumbing using trad methods or
some more of this new new fangled stuff.

Peter.

In the larger B&Qs they have a least 3 ranges of pushfit. The quoted life
span is up to 50 years.
Thats for the Equator range the others are 25-30years