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13401 and 90274 White Adapter With White Hex Nut

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This article is based on a white adapter with a white hex nut. If you are unsure the above image is your version, see Roman Tub Deck Mount: Lever or Roman Tub Deck Mount: Knob for details.

There are multiple handle mechanisms used on Roman Tub faucets. Confirming which one you are working with will require 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 at

​​ Preparation: 

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1. Use pliers to unthread the white hexagonal cartridge nut (#1). If you are working with the two piece version, only the white hexagonal upper portion needs to be removed.

2. Remove the white handle adapter (#2).


1. Install the white handle adapter (#2).

2. Use pliers to tighten the white hexagonal cartridge nut (#1).

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 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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