Watch the 1222 cartridge removal & installation video: Webthe instruction sheet looks like this: If you purchased your moen product at a retail store, you will find the model number on the side of the box: Let us help you find parts for your. Webthe house is about 50 years old, and the faucet trim has the words dialcet and moen mueller on it. Any advice is greatly appreciated. I'm hoping that the cartridge is not a.