Water Hammer Arrestors: DIY vs Hiring a Pro and Where to Put the Shock Absorber

https://www.play-bookmarks.win/how-underground-sewer-camera-inspections-help-homeowners-catch-problems-early-and-avoid-emergency-plumbing-bills

Why homeowners freak out when plumbing starts slamming at the worst times One minute you shut off the washing machine and expect silence. The next minute the pipes sound like a drumline