How to Replace a Moen Faucet


The Moen company produces faucet designs known as cartridge faucets. Cartridge faucets are typically used in single-handle faucet designs, but are occasionally used in dual-handle designs as well. As the faucet's handle is moved up and down, holes within the cartridge align to produce the desired temperature and flow of water. Moen's cartridge faucets are generally considered trouble-free, but leaks can result if the washer located on the bottom of the cartridge breaks or otherwise corrodes. Thankfully, Moen produces replacement cartridge faucets, and replacement is fairly simple.

Things You'll Need

  • Flat-head screwdriver
  • Phillips screwdriver
  • Adjustable pliers
  • Duct or masking tape
  • Pliers
  • Turn the water supply's shutoff valve next to the structure's water meter clockwise to turn the water off. As an alternative, faucets used for sinks have two shutoff valves located underneath the sink that can be used to turn off the water supply to the faucet only. If that is the case, turn both of them clockwise.

  • Locate and remove the faucet handle's index cap. The index cap, sometimes referred to as a screw cover or plate, is the circular plastic or metal piece located in the center of the faucet's handle. Its purpose is solely to conceal the handle's retaining screw. To remove the index cap, use the blade of a flat-head screwdriver to lift the edge of the cap away from the handle.

  • Remove the screw that holds the handle to the faucet with a Phillips screwdriver. Then pull the handle away from the faucet assembly to remove it.

  • Remove the faucet's retaining nut with a pair of adjustable pliers. Wrap the jaws of the pliers with either duct or masking tape to prevent scratching the nut's finish. Then use the pliers to twist the nut in a counterclockwise direction until the retaining nut can be lifted away from the assembly.

  • Pull the faucet straight out of the assembly with a pair of pliers. Then insert the replacement faucet into the assembly. Install and tighten the retaining nut with the adjustable pliers.

  • Position the handle onto the faucet's stem. Then insert the faucet's screw through the center of the handle and tighten the screw.

  • Place the handle's index cap over the handle's retaining screw and push down on the cap until it clicks into place. Then turn the water supply on to complete the replacement.

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  • Basic Plumbing with Illustrations; Howard C. Massey; 1994
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