182500 Stem Extension Roman Tub Long Valve

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This article is based on a stem extension with partial splines on the outside and splines on the inside. Roman Tub valves began using this stem extension in September 2018. If you are unsure the above image is your version, Roman Tub Deck Mount: Lever or Roman Tub Deck Mount: Knob for details.

There are multiple cartridges used on Roman Tub faucets. Identifying which one you are working with will require identifying your handle assembly, removing the handle and identifying your handle mechanism. If these requirements have not yet been confirmed, see Roman Tub Deck Mount: Lever or Roman Tub Deck Mount: Knob for details.

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: Flathead Screwdriver, Removal Tool 14272
The following instructions assume the handle and associated handle pieces have been removed. For additional details, visit Roman Tub Deck Mount: Lever or Roman Tub Deck Mount: Knob and select the type you are repairing. The faucet guide will contain specific information on handle assemblies associated with that style of product.

partial splines splined interior.png

Symbol Key Legend

	Unthreads
	Pulls Out

Disassembly:

Follow the number of the parts in order starting with the cartridge nut (#1). To remove the cartridge nut (#1), use removal tool 14272. Once removed, proceed to part #2.

Removal Tool 14272

To disconnect the stem extension (#2) from the cartridge (#3), push on the side of the stem extension (#2) that has 5 splines to create a gap. Use a flathead screwdriver in the gap to pry the stem extension (#2) and cartridge (#3) apart
.

Re-Assembly:

Follow the number of the parts in reverse order starting by connecting the cartridge (#3) with the stem extension (#2). To properly connect them, see image below. Once connected and installed, proceed to part #1. After everything is installed, rotate the stem extension (#2) to the "off" position (clockwise for hot, counter clockwise for cold) until it stops.

How To Correctly Connect The Stem Extension (#2):

How To Correctly Install The Cartridge (#3):

insert cartridge.png

For additional information on Roman Tub Fillers visit Roman Tub Deck Mount: Lever or Roman Tub Deck Mount: Knob. For information on other Moen products visit solutions.moen.com 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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