How Three Flooded Basements Forced Me to Solve Weak Hot-Water Pressure
https://www.web-bookmarks.win/why-your-home-water-pressure-regulator-fails-5-symptoms-likely-causes-and-what-to-do
I learned plumbing the hard way. After three flooded basements, a stack of emergency repair receipts, and a sleepless night or two, I finally understood why the cold taps in my house had full pressure while the hot taps just dribbled