Plumbing Problems in the UK? Ask a Plumber Now.
I doubt it would last very long and it would probably too flexible.
There are specific flexible pan connectors you can purchase, heres an example
yes they are a lifesaver in some situations.
sometimes the fittings will never match up to toilet locations so the flexible pan connecter is the only way
Sorry you seem to have a problem with this item, they are perfectly acceptable in my opinion.
But your always going to get a faulty one at some point.