This step-by-step guide will help you through the process and show you how simple it can be to replace a Moen cartridge by yourself.

Is your Moen 1222 cartridge showing signs of wear and tear? Perhaps your water pressure is not as efficient as it used to be, or you’re noticing some leakage. Replacing the cartridge may seem like a daunting task, especially if you’re new to the world of DIY plumbing. Don’t worry! This step-by-step guide will help you through the process and show you how simple it can be to replace a Moen cartridge by yourself.

Understanding the Moen 1222 Cartridge

Peek inside your Moen shower valve and you’ll find the real hero, the cartridge. This unassuming piece plays a pivotal role in managing your shower’s water pressure and temperature, ensuring your showers are nothing short of perfect. Crafted from top-notch materials, the cartridge is built to go the distance. But, like any mechanical wonder, it too succumbs to the wear and tear of regular use and needs a timely replacement.

Signs You May Need to Replace Your Cartridge

A decrease in water pressure can be a telltale sign that your cartridge is crying out for replacement. Another red flag to watch for is inconsistency in water temperature – if your shower can’t make up its mind between hot and cold, your cartridge may be to blame. Having trouble getting a grip on your shower handle? Difficulty in turning the shower handle is another common symptom that your cartridge is waving a white flag.

Spotting these signs early on can save you from a bigger headache down the line. If you’re experiencing any of these issues, the time has likely come to roll up your sleeves and replace that cartridge.

moen 1222 cartridge

Gathering the Necessary Tools

As with any valiant DIY endeavor, having the right arsenal of tools can make all the difference. For this project, the tools you’ll require are a pair of adjustable pliers and a Phillips-head screwdriver.

Now, here’s a pro tip for you – instead of using a standard pair of pliers, opt for a Moen cartridge puller. This little gadget can make the removal of the old cartridge a breeze. But, if you don’t have one at hand, a small pair of tongue and groove pliers can also do the trick.

And yes, don’t forget to get your new Moen cartridge. It’s the hero of this DIY story, after all. While you’re at it, keep a towel or rag close by. DIY can sometimes be a little messy and you’ll want to mop up any rogue water droplets that escape during the cartridge changing process.

So, there you have it! Your toolkit is now fully armed and ready for the mission. With your trusty tools by your side, you’ll be ready to face the cartridge replacement task head-on. Now, let’s get down to the business of replacing that worn-out cartridge.

Related Content: Shower Cartridge Replacement

Removing the Old Moen 1222 Cartridge

First things first, before any plumbing escapade, always remember to turn off the water supply to your shower. Next, wave goodbye to the handle – you’ll need to unscrew it and set it aside, along with the temperature limit stop kit. With these out of the way, the retaining clip sitting at the top of the cartridge will come into view. Employ your trusty pliers to gently remove it.

Armed with your cartridge puller or your pair of tongue and groove pliers, it’s time to face the old cartridge. Turn it clockwise and give it a firm pull. If it resists, don’t be deterred.

Patience and persistence are key here. Remember, this little fellow has been lodged in there, doing its job for quite a while. And voila! Your old cartridge is out and ready to retire. You’re halfway through the mission already. Now, let’s move on to the next step – installing the new hero of your shower, the brand-new Moen 1222 cartridge.

Related Content: Moen Cartridges

Installing the New Moen 1222 Cartridge

Congratulations, you’ve made it this far! Now that the old cartridge has gracefully retired, it’s time to welcome the new player – the shiny, new cartridge. Now, before you get too excited, let’s ensure it starts on the right footing.

Grasp the new cartridge, making sure that the H/C letters on top are visible and right-side-up. This isn’t just for aesthetics, these letters actually have a function! They help ensure the cartridge is correctly aligned, meaning you’ll be back to perfect showers in no time. So, with the H/C leading the way, gently push the new cartridge into the awaiting valve body.

Once snugly fit, it’s time to secure it with the retaining clip. With the same pliers you used earlier, grasp the retaining clip and slide it back into its original place, atop the cartridge. A little click should let you know it’s home.

There you have it, the brand new cartridge is now successfully installed. Take a moment to celebrate this victory. You’re almost at the finish line! The next step will have you reassembling the faucet and testing your work. But before you rush off, remember, this is plumbing we’re dealing with, so always double-check your work. 

Let’s move onto reassembling your faucet, turning the water supply back on, and the moment of truth – testing your new and improved shower. Let’s go!

Reassembling the Faucet

With your shiny new cartridge snuggled in its rightful place, you’re now ready for the home stretch – the reassembly of your faucet. Remember the handle and temperature limit stop kit you set aside earlier? It’s time to bring them back into the game.

Reinstall the handle and the temperature limit stop kit, securing them firmly in place. Now, here comes the thrilling part. Slowly turn your water supply back on. But, don’t rush off to celebrate just yet. It’s time for the final test.

Go ahead, turn that shower knob. Test the waters, literally. Listen for leaks, feel the water pressure, and check the temperature. It should be nothing short of perfect, just like your newly replaced Moen 1222 cartridge!

Tips and Troubleshooting

Stumbled upon a snag in your DIY endeavor? Keep calm! With obstinate cartridges that don’t loosen easily, a hairdryer can turn out to be a lifesaver. Direct the hot air onto the valve. This heat prompts the valve to dilate, consequently easing the reluctant cartridge. Bear in mind, tenacity is crucial in DIY undertakings, so don’t let hiccups deter you. Every challenge faced augments your proficiency in DIY. Here’s to more seamless plumbing adventures!


What is the lifespan of a Moen 1222 cartridge?

The bargain is favorable, and unlike contemporary ceramic faucets, Moen continues to produce the identical component for valve bodies manufactured half a century ago. The system utilizes costly cartridges, which have a replacement cost of approximately $50, although they possess a prolonged lifespan.

Can I replace a shower cartridge myself?

Typically, the shower valve cartridge is conveniently accessible, and you can keep the outer valve assembly intact, provided it is not corroded and is in satisfactory condition. Having the new part ready, this repair should be completed in less than an hour.

What is the cost of a plumber’s service for replacing a shower cartridge?

Although it is possible to replace a plumbing cartridge yourself, it is advisable to seek assistance from a professional plumber. The cost will vary based on multiple factors, however, the typical labor cost for replacing a shower cartridge ranges from $250 to $350.


We at Clovis Plumbing Services are aware that no two jobs are identical, and we take this into consideration. We make it a point to learn about your specific requirements and offer individualized solutions in order to guarantee that you will receive a service that is tailored to your specific demands. Together with you, our highly trained specialists will work to ensure that all of your specific requirements are met, which will ensure that the outcome is successful.

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