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Moen Solutions

1255 Cartridge: Wave Faucet


  • The water supply shut off valves must be turned off- see article How to Turn Off the Water Supply to the Faucet.
  • Recommended Tools: Pliers 
  • The following instructions assume the handle and associated handle pieces have been removed. For additional details, visit and select the type you are repairing. The faucet guide will contain specific information on handle assemblies associated with that style of product.

Removing The Cartridge

  1. Using pliers, unthread the black or brass hexagonal retainer nut (#1) counter-clockwise.
  2. Pull the cartridge (#2) out of the faucet.

Installing The Cartridge

  1. Line up the three ribs on the cartridge (#2) with the three grooves inside of the valve body. The cartridge (#2) will only fit in one way (See Images Below). 
  2. Using pliers, thread the black or brass hexagonal retainer nut (#1) back in.

Installing the Handle:

The following is a critical process, You must perform these steps in order for your faucet to function properly: 

  1. See MotionSense: Wave-Single Sensor Hands Free Faucet for how to reassemble your handle mechanism.
  2. Open the handle to the full on position.
  3. Rotate the handle back until it stops for full hot.
  4. Rotate the handle forward until it stops for full cold.
  5. Turn the handle off.
wave calibration.png



For additional information on Moen products visit and select the type of product you are repairing. The guide will contain repair details, troubleshooting and specific information on assembling handles associated with that style of product.

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