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Moen Posi-Temp Cartridge Part #1112b Replacement

What you need

  1. Moen Posi-Temp Cartridge Part #1112b Replacement, Moen Posi-Temp Cartridge Part #1112b: step 1, image 1 of 1
    • Turn the water shutoff valve counter-clockwise to the "off" position.

  2. Moen Posi-Temp Cartridge Part #1112b Replacement: step 2, image 1 of 1
    • Open both the hot and cold taps of a nearby faucet or shower until the water no longer flows.

  3. Moen Posi-Temp Cartridge Part #1112b Replacement: step 3, image 1 of 2 Moen Posi-Temp Cartridge Part #1112b Replacement: step 3, image 2 of 2
    • Turn the handle of the shower valve 180 degrees until it is in the "up" or "on" position.

  4. Moen Posi-Temp Cartridge Part #1112b Replacement: step 4, image 1 of 2 Moen Posi-Temp Cartridge Part #1112b Replacement: step 4, image 2 of 2
    • Unscrew the handle screw with an Allen wrench.

    • Remove the handle.

  5. Moen Posi-Temp Cartridge Part #1112b Replacement: step 5, image 1 of 2 Moen Posi-Temp Cartridge Part #1112b Replacement: step 5, image 2 of 2
    • Remove the handle adaptor screw with a Phillips screwdriver.

    • Remove the handle adaptor simply by pulling it out.

  6. Moen Posi-Temp Cartridge Part #1112b Replacement: step 6, image 1 of 1
    • Pull out the white key/adjustable limit stop.

  7. Moen Posi-Temp Cartridge Part #1112b Replacement: step 7, image 1 of 3 Moen Posi-Temp Cartridge Part #1112b Replacement: step 7, image 2 of 3 Moen Posi-Temp Cartridge Part #1112b Replacement: step 7, image 3 of 3
    • Gently pull out the stop tube.

  8. Moen Posi-Temp Cartridge Part #1112b Replacement: step 8, image 1 of 3 Moen Posi-Temp Cartridge Part #1112b Replacement: step 8, image 2 of 3 Moen Posi-Temp Cartridge Part #1112b Replacement: step 8, image 3 of 3
    • Using the Phillips head screwdriver, remove the two screws located at the top right corner and bottom left corner.

    • Remove the metal plate.

  9. Moen Posi-Temp Cartridge Part #1112b Replacement: step 9, image 1 of 3 Moen Posi-Temp Cartridge Part #1112b Replacement: step 9, image 2 of 3 Moen Posi-Temp Cartridge Part #1112b Replacement: step 9, image 3 of 3
    • Slide the tip of needle-nose pliers under the notch of the retaining clip and pull the clip upwards.

  10. Moen Posi-Temp Cartridge Part #1112b Replacement: step 10, image 1 of 3 Moen Posi-Temp Cartridge Part #1112b Replacement: step 10, image 2 of 3 Moen Posi-Temp Cartridge Part #1112b Replacement: step 10, image 3 of 3
    • Clamp firmly onto the brass tube with a pair of vice grips and gently but firmly pull out the cartridge.

  11. Moen Posi-Temp Cartridge Part #1112b Replacement: step 11, image 1 of 2 Moen Posi-Temp Cartridge Part #1112b Replacement: step 11, image 2 of 2
    • Insert the new Moen Posi-Temp cartridge.

  12. Moen Posi-Temp Cartridge Part #1112b Replacement: step 12, image 1 of 1
    • Insert the new cartridge into the valve assembly.

    • Ensure that the H/C symbols are facing up.

    • Ensure that the notch on the brass tube is also facing up.

Conclusion

To reassemble your device, follow these instructions in reverse order.

John Mendoza

Member since: 09/17/20

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