Sharkbite 1/2 Inch MNPT Bathroom Shower Test Plug, 25828Z

This allows you to plug your new shower outlet so you can pressure test the shower valve before closing up the walls in case of any leaks. This worked great. I actually used this same one 3 times so far. This product was a great idea and so easy to use since it seals with a rubber washer. No need to use teflon tape or paste on it.

Used this for our shower remodel project, worked perfectly! It was easy to install and didn’t leak 1 drop, even after I turned the water supply back on. It stayed plugged in for about a whole week while I finished the shower remodel project, and we didn’t have any issues.

Would highly recommend great for remodel jobs and ceramic jobs to prevent then set from ending up in pipe threads and allows for excellent pressure testing

product was perfect and delivered on time

Work great for remodel jobs. Unfortunately I normally only get 2-3 uses before they start to leak.

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Worked great. Make sure its tight or it will leak.

For years plumbers used iron pipe with a cap for shower drop ells. But about 5 years ago I switched to these plastic test plugs after a job came to a standstill and sat for over a year. The old tried and true iron pipes began to rust and one seized up due to galvanic corrosion. Since then it's been nothing but these SharkBite test plugs because you don't need to use PTFE tape and paste with them like metal and there's never a problem with rust of corrosion. The washers will wear after a while but are easily replaced and for that I use O-rings because they hold up better. Plus if you apply a little bit of liquid soap to the washer and/or O-ring before tightening it seals better.