Hook up a test hose on the Shower Head connection. If you can remove the Drain Trap you can put your hose directly into the Drain to test the Drain system. You want the water to go driectly down the drain and not hit where the pipe meets the Shower Pan transition.
The water you use should be hot. …
Cause & Origin
Residential
Cause and Origin
Moisture
Drain Test
Shower Drain Test
Drain System
Shower Pan

