When a Whistling Pressure-Reducing Valve Exposed a Hidden Mineral Problem: A Building Manager's Case Study

https://fire2020.org/how-a-slow-attic-leak-and-mineral-caked-pipes-fooled-me-for-years/

What happens when a routine tenant complaint - "the shower barely trickles" - becomes the trigger for a much larger maintenance rethink? For one mid-size property manager, a seemingly minor whistling sound at a pressure-reducing valve (PRV) revealed