Definition
The force at which water flows through your pipes, measured in PSI (pounds per square inch). Ideal home water pressure is 40–60 PSI. Above 80 PSI can damage pipes and appliances.
Related Plumbing Terms
- P-Trap
A U-shaped pipe section under sinks and drains that holds water to prevent sewer...
- Shutoff Valve
A valve that controls water flow to a specific fixture or the entire home. Knowi...
- Water Hammer
A banging or knocking sound in pipes caused by sudden changes in water pressure,...
- Backflow
The unwanted reversal of water flow in a plumbing system, which can contaminate ...
- Auger
A flexible snake-like tool used to clear drain clogs. A drain auger (or plumber'...
Understanding plumbing terminology helps you communicate more effectively with contractors and evaluate quotes accurately. Use our plumbing cost database to find fair prices for any plumbing service.