It’s something the manufacturer should know about. Leak tests should have been performed before sale. We do leak tests in packaging before product is ever marketed.
“It’s something the manufacturer should know about. Leak tests should have been performed before sale. We do leak tests in packaging before product is ever marketed.”
The difference between RVs and houses is that RVs get rattled like crazy, so it’s next to impossible for them to not start having problems. In this case, I suspect that the valves are fine in initial testing, but bump them around for 50,000 miles and the results might be a bit different.
It’s probably a stress crack. It might not show up for 5 or 6 loosenings and tightenings.