In Coronado the plumbing sits behind beautiful walls, and the first sign of a pressure problem is usually a banging in the pipes when the washer finishes or a faucet snaps closed. In these older homes that sound is worth checking out, because the plumbing taking the strain is often original, and high pressure on old pipe is where repairs get expensive.
Pressure out of range wears on everything downstream. Joints, fittings, faucets and supply lines all wear ahead of schedule, and the water heater wears hardest, under strain it was never rated for. In an older home with original plumbing, preventing that wear costs less than repairing it. The PRV does that job, one device holding the street's pressure to the healthy range, and the main question is its condition, working, failed after years of service, or never installed, which is common in homes this age. From inside the house, all three look the same.
The measurement settles it. A licensed contractor gauges the actual pressure, checks the regulator, and explains in plain English what the street's delivering, what's between it and your plumbing, and what the options are. Homes without a regulator get the straight conversation about what one protects. On an island where everything else gets maintained to standard, the pressure deserves the same attention. A gauge test puts a number on it.
