Most Common Service Calls Show Rising Pressure Deviations Across 40-80 PSI Ranges

https://www.hometalk.com/member/253732888/john184490

Clogged drains rank as the single most common plumbing service call nationwide, but pressure and flow data reveal the real story: most emergency calls spike when measured pressure drops below 40 PSI or flow rates fall below 10 gallons per minute,