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Moen Solutions

96778 Spout O-Ring Kit

This article will provide step-by-step instructions for replacing this service kit.



  • The water supply shut off valves must be turned off- see article How to Turn Off the Water Supply to the Faucet.
  • Recommended Tools: Flathead screwdriver, Soft Tip Marker
  •  For additional information on reassembling the handle, visit and select the type you are repairing. The faucet guide will contain specific information on handle assemblies associated with that style of product.


Do not remove the cartridge clip or the cartridge for this repair.


1. Lift the spout off of the faucet.

2. Match the corresponding spout O-rings on the valve body with a spout O-ring from the parts kit. The 96778 kit comes with 2 small and 1 lager O-ring and a pack of silicone lubricate.

3. Use a flathead screwdriver to gently pull each spout O-ring off from their respective groove in the valve body. (We recommend using a soft tip marker to mark where the original spout O-ring was removed from for proper placement of the new spout O-ring.)

4. Apply a thin layer from the supplied pack of silicone lubricate to each rubber spout O-ring.

5. Slide each spout O-ring onto the valve body and into the correct groove. (The lower spout O-ring does not go over the holes in the valve body.

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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