Quote:
Originally Posted by retiredguy123
There are no valves to shut off the water to a bathroom or even to a shower. I would suggest removing the shower head and screwing on a plastic cap with a washer. It sounds like you may need a new mixing valve in the shower. Personally, I would call a plumber because this project can be tricky and can result in a leak inside the wall if it is not done properly. I recommend Mike Scott Plumbing.
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This kid explains everything, how to replace it, how to use back up wrench, how to get stuck cartridge out, and how to check for Leaks after new cartridge installed. There no hidden leak if you know where to look. Exactly what every plumber going to do.
https://www.youtube.com/watch?v=3oXBL8vcYmU