Essentials of Plumbing Lesson

Once the rough-in water pipeline system is completed, test the system for leaks. Locate and repair any leaks at once and retest the system.

Test a Rough-In System.

Plug and cap all openings.
Open the meter stop valve to allow the WATER PRESSURE to flow into the piping.
Check all fitting joints and pipes for leaks.

Test a Rough-In System

Resume Service. Loosen the cap and plugs one at a time to allow trapped air in the pipeline system to escape.