One that's not made in China?I guess they should have paid a little extra for a Sprinkler System that worked.
Good luck. Towards the end of my career we had to specify US or EU made materials. We had one job where the installer used 316 stainless for the piping, as specified. It lasted less than a month before we started having major leaks. The pipe was marked Made in USA, but the company listed did not exist.One that's not made in China?