I have seen cpvc hot lines soften and become taffy like. On the other hand pex can handle 210 degree water with no ill effects. I have used it on heating lines where copper installation is difficult. I don't think that cpvc should ever be used in any application above 160 degrees.
I discontinued the use of Michelin because of the cracking. They would do nothing under warranty. My new car came with Michelin. I will see how they do...
My son purchased a Dewalt string trimmer. I broke right out of warranty. Barely used and lightly used.
Since then I have a two year old Stihl battery trimmer. It is so much better than the Dewalt.
I might add that my recommendations for a toilet are based on current generation toilets that are say no more than 12 years old. A lot has changed since the 90's
I have used and sold/installed/serviced every brand mentioned here except for the european ones. Each one has it's pros and cons. There is no perfect one. Based on my experience I would rate as follows:
1. Kohler Any comfort height model.
2. ToTo distant second
3. American Standard but not...