Water Pressure Diagnostics
Low water pressure, sudden drops, water hammer, and pressure fluctuations all have specific causes. We diagnose the actual issue — whether it is your pressure regulator, a clogged line, or city pressure — and fix the root cause.
What we handle
- Whole-house water pressure testing
- Pressure regulator (PRV) replacement
- Water hammer arrestor installation
- Clogged supply line diagnosis and repair
- Galvanized line replacement (a common pressure killer)
- Recirculation pump troubleshooting
When to call a plumber
Common signs that this is the problem you are dealing with.
- Weak flow at multiple fixtures
- Pressure that drops when another fixture runs
- Banging noise in pipes when shutting off water
- High pressure causing leaks at fixtures
- Inconsistent pressure across hot and cold
- Pressure dropped suddenly with no obvious cause
Water Pressure questions, answered
What is normal residential water pressure?
Typically 40–80 psi. Anything over 80 psi is hard on fixtures and water heaters; anything under 40 feels weak.
Why does my pressure drop when I run two things at once?
Usually a sign of restricted supply lines (often old galvanized pipe), an undersized service line, or a failing pressure regulator.
Can high pressure damage my home?
Yes. Excess pressure shortens the life of every appliance connected to water, blows out supply lines, and causes leaks at fixtures.
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