HOW DO I FIX A LEAKING FAUCET ON A MOEN L3189
you need to remove the cartridge behind the handle. If it is dripping from the spout or shower head.
If you pull the handle to turn it on it is called a moentrol valve and take a number 1225 cartridge....it it just turns to turn on it is called a posi-temp valve and takes a 1222 cartridge.
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