So, What Does a Shower Cartridge Do Anyway?
If you're staring at a leaky faucet handle and wondering what does a shower cartridge do, you're definitely not alone. Most of us don't even realize this little plastic or brass component exists until the water starts dripping incessantly or the temperature refuses to cooperate. It's the hidden "brain" of your shower, tucked away behind the decorative handle and the wall, working hard every time you go to wash up. ...