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

https://www.slideserve.com/gwyneyxcez/that-slow-draining-shower-that-changed-how-i-test-water-pressure-across-the-hous

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