Don't Dismiss the Gurgle: What Water Hammer from Closed Valves Really Reveals

https://www.cast-bookmarks.win/real-talk-how-to-test-faucets-diagnose-home-water-pressure-and-fix-what-you-can-yourself

That little gurgle in the wall when you shut a faucet seems harmless. You tell yourself it's just old pipes settling. You ignore it until one day a banging wakes you at 2 a.m. or a fitting cracks and water pours out. Water hammer is more than noise