Shower Handle: U231 and U361 Independent Transfer Valve

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The M-Core U231 and U361 transfer valves were introduced in 2020 and are designed to divert water from one shower device to another (example: body sprays to a showerhead). Both the U231 and U361 transfer valves require either a PosiTemp or an M-Core shower valve to provide water to supply to the system.

U231 transfer valve:

Independent Functions: 2 or 3
Shared Functions: 0

U361 transfer valve:

Independent Functions: 3 or 6
Shared Functions: 1 or 3

Preparation:

The water supply must be turned off- see article How to Turn Off the Water Supply to the Faucet.
Recommended Tools: 3/32" Hex Wrench, Needle-Nose Pliers
We recommend covering the drain before beginning so to not lose any parts down the drain.

Set Screw: Under Lever

Note: Some models have a removable cap on the front of the handle and a set screw under the lever. It is not necessary to remove the cap.

If this is not your handle mechanism, see Vertical Spa: Transfer Valves article to learn more about the different handle mechanism types.

Disassembly:

1. Using a 3/32" Hex wrench, loosen the set screw (#1) counter-clockwise until the handle (#2) pulls off.

2. The handle adapter (#3) will remove with the handle (#2). If you need to separate it from the handle (#2), insert needle-nose pliers into the hole in the center of the handle adapter (#3) and open the needle-nose pliers. While keeping the needle-nose pliers opened, pull the needle-nose pliers out which will slide the handle adapter (#3) out as well.

To replace the cartridge (#4), see article 200758 and 200759 Cartridge: U231 or U361 Independent Transfer Valves.

Assembly:

1. Rotate the cartridge stem (#4) so the side with the missing spline is pointing down.

2. Align the hole in the handle adapter (#3) with the hole in the handle (#2) and insert the handle adapter (#3) into the handle (#2).

3. Slide the handle onto the stem of the cartridge press firmly onto the handle until it slides all the way on.

4. Using a 3/32" Hex wrench, tighten the set screw (#1).

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

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