Guide to installing Moen 1222 cartridge. Moen 1222 One-Handle Posi-Temp Faucet Cartridge Replacement for Moen Tub Shower and Shower Only Configurations, Brass and Plastic.
Table of Contents
What you will also want for this job
Step 1: Preparation
Before starting, turn off the main water supply and open the faucet handle to release any water pressure and drain the lines. Gather the necessary tools, including a Moen Cartridge Removal Tool, Phillips Screwdriver, Hex Wrench, Adjustable Pliers, Needlenose Pliers, and Safety Glasses (if desired).
Step 2: how to remove moen cartridge
For Moen 1222 cartridge replacement detach the handle by unthreading the set screw. Loosen the handle adapter screw and remove the adapter. Take off the Key Stop and Adjustable Temperature Limit Stop, and then remove the Stop Tube. Use needle nose pliers to pull out the Cartridge Retaining Clip, ensuring that the Cartridge is in the ON position with the notch in the stem facing up. Remove Moen cartridge from the valve. You can also use the Moen Cartridge Removal Tool to remove the cartridge.
Step 3: How to Install a Moen Cartridge
When installing a moen 1222 cartridge apply DANCO Waterproof Silicone Faucet Grease to the cartridge oval on both sides. Make sure the HC symbol and notch in the Cartridge Stem are facing up, then insert the new 1222 into the valve. Reinsert the Retaining Clip to hold the Cartridge in place. Turn the Cartridge to the OFF position, making sure the notch in the stem faces down. Slide on the Stop Tube, Adjustable Temperature Limit Stop, and Key Stop. Finish by reinstalling the Handle Adapter and Handle.
Frequently Asked Questions
What is the difference between a Moen 1222 and 1222B cartridge?
The Moen 1222 and 1222B replacement cartridges are essentially the same thing. They both serve as the replacement part for the Posi Temp Moen shower valve and are made from identical components. The only discrepancy lies in their labeling and packaging, with the “B” in the 1222B model number signifying that it is intended for bulk purchases.
Are all Moen single handle cartridges the same?
Over time, Moen has utilized various cartridges in their products. If you are uncertain about the specific faucet model you possess, kindly click on the “Identify My Product” option. To obtain information regarding the product warranty, refer to the article “How to Identify if My Product is Warrantied.”
What does Moen 1222 cartridge fit?
The Moen 1222 cartridge is intended for use with Moen’s One-Handle PosiTemp tub and shower faucets. Its composition comprises brass and plastic, and it is structured to facilitate simple installation as a replacement Moen cartridge.
How often should you replace Moen 1222 cartridge?
The challenge is that the system is exceptionally well-designed, and it’s common for the Moen cartridges to function for 30-40 years before any issues arise with them. So you won’t need to install moen cartridge very often.
Why is my Moen 1222 cartridge not hot enough?
If the water temperature fails to reach the desired level, it may be due to a faulty Moen 1222 cartridge. To address this issue, verify that the handle is turned all the way counter-clockwise to the 9 o’clock position. If the handle stops before reaching this point, then the temperature limit stop will require repositioning. Additionally, if the water pressure drops while transitioning from cold to hot, the 1222 cartridge may need to be replaced.
Why do Moen cartridges fail?
When faucet and shower cartridges malfunction, it is typically due to a dried-out rubber O-ring within the faucet or valve, or blockages in the cartridge passages.
Can you clean a Moen cartridge?
Moen recommends cleaning and flushing the valve body when installing a new cartridge. Doing so removes any mineral build-up and loose debris that may have accumulated inside the valve body. These particles have the potential to damage the new cartridge or block the flow of water.
How do you lubricate a Moen cartridge?
If you have a one-handle faucet with a 1222 cartridge, you can lubricate it by removing the cartridge and applying a silicone-based grease (DANCO Waterproof Silicone Faucet Grease) to both its interior and exterior. It’s important to note that plumber’s grade faucet grease, silicon sprays, or lubricants containing petroleum should not be used.
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