How to Convert a Shower Trim with a 145058 Adapter Kit

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This article will explain how to tell if a current Moen shower valve can be converted to fit new Moen trim kits. It will help you determine which valve you have, what is needed and instructions on how to perform the conversion.

Preparation:

The water supply shut off valves must be turned off- see article How to Turn Off the Water Supply to the Faucet .
Recommended Tools: Adapter Kit 145058, Phillips Screwdriver
The following instructions assume the handle and associated handle pieces have been removed. For additional details, visit solutions.moen.com and select the type you are repairing. The faucet guide will contain specific information on handle assemblies associated with that style of product.
The current valve installed must be a Standard Valve, see details below.

Confirm Your Shower Valve

Standard Valve:

This is the only valve that can be converted, see details below.

Handle Operation:

On and off: Push and Pull
Temperature: Rotate

Escutcheon Screws: See Image Above

Original Moentrol Valve:

Individual parts and trim pieces available at 1-800-BUY-MOEN.

original moentrol.png

Handle Operation:

On and off: Push and Pull
Temperature: Rotate

Escutcheon Screws: See Image Above

Moentrol Valve:

Order Moentrol trim.

Handle Operation:

On and off: Push and Pull
Temperature: Rotate

Escutcheon Screws: See Image Above

PosiTemp Valve:

Order PosiTemp trim.

Handle Operation:

On and off: Rotate
Temperature: Rotate

Escutcheon Screws: See Image Above

The Standard and Original Moentrol rough-in valves are visually different however they share some common features. These valves both have screws located at the bottom of the escutcheon plate. The handle operation for these valves is push/pull and rotate. It is important to determine which valve you are working with to confirm if your valve is able to accept new trim, see details below.

Original Moentrol Valve: The Original Moentrol Valve was introduced in the late 1960's and was available for a short period of time. The visual difference between the Original Moentrol Valve and the Standard Valve is the balancing spool (see red arrow) on the top of the Original Moentrol Valve. The Standard Valve does not have one. Although Moen no longer manufactures new trim kits to fit this valve, individual parts and trim pieces are available at 1-800-BUY-MOEN.

Standard Valve: The Standard valve was introduced in the 1960's and was used until the early 2000's. This valve does not have a balancing spool like the Original Moentrol Valve. If the 145058 Adapter Kit is purchased, new Moentrol trim kits (see requirements below) are available for this valve. See below for installing the 145058 Adapter Kit.

How to convert to new trim: Not compatible with collections: Flara, Doux, Weymouth, Arris, 90 Degree or Voss

Must purchase 145058 Adapter Kit
New trim must have 7" round escutcheon plate

Installing 145058 Adapter Kit

145058 breakdown.png

attaching adapter plate.png

Thread the two Phillips screws (#2) into the standard valve. Both of the Phillips screws must be installed side-by-side either through the top or bottom.

install escutcheon.png

Using the top right and bottom left holes on the adapter plate (#1), install the new Moentrol escutcheon plate.

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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