Yes, 80 PSI (pounds per square inch) is generally considered the absolute upper threshold of acceptable residential water pressure, and any pressure right at or exceeding 80 PSI is too high. Standard plumbing codes mandate that home water pressure must not surpass 80 PSI because higher levels place excessive, damaging mechanical stress on water heater tanks, supply lines, and fixture seals. Operating at or above 80 PSI drastically increases your risk of sudden plumbing leaks and appliance failures. Verification: Use a pressure test gauge and adjust your PRV to lower the pressure to a safer 50 to 60 PSI.
1 votes
Marked as accepted