Kitchen Handle Side Mount: Threaded Dome

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Moen produces a variety of Sidemount Handle faucets. The interior components and assembly are not the same for each model. This article will explain one of the most common handle assemblies referred to as a Threaded Dome. This mechanism was introduced in 2009. This faucet style utilizes a 1255 and the 4000 cartridges (the cartridge part number is based on model number).

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: 3/32" Hex Wrench

Disassembly:

In some cases, accessing the hole in the handle might require loosening the faucet under the sink and rotating the body of the faucet.

1. Removed small round plug/cap (#1) covering the handle hole. (Not used in all faucets).

2. Using a 3/32" Hex wrench, loosen the set screw (#2) until the handle (#3) lifts off. Slide the handle (#3) off of the faucet.

3. Unscrew the handle hub (#4) to remove.

If there is a white cartridge stem, see article 4000/40002 Cartridge: Kitchen Faucet to replace the cartridge.

If there is a metal cartridge stem, see article 1255 Cartridge: Kitchen Faucet to replace the cartridge.

Assembly:

1. Screw the handle hub (#4) back on to the faucet.

2. Slide the handle (#3) back on and tighten the set screw (#2) to complete installation.

3. If applicable, replace the small round plug/cap (#1).

If you loosened the mounting hardware under the sink to rotate the faucet to gain access to the set screw, rotate the faucet back to the original position and tighten the mounting hardware.

For additional information on 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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