Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your Moen 84603 Adler Chrome Two Handle Bathroom Faucet. Please read all instructions carefully before beginning installation to ensure proper function and longevity of your product.
The Moen Adler faucet, with its smooth curves and minimalist aesthetics, is designed to complement a variety of bathroom décors. Its low arc profile makes it an ideal choice for smaller bathrooms or powder rooms.
Product Features
- VERSATILE DESIGN: Chrome finish is highly reflective for a mirror-like look that works with any decorating style.
- EASY TO INSTALL: 4-inch centerset design allows for easy installation.
- ECO-FRIENDLY: 1.2 gpm flow rate is WaterSense Certified.
- ADA COMPLIANT: Complies with Americans with Disabilities Act (ADA) specifications.
- EVERY DROP, CERTIFIED SAFE: Every Moen residential kitchen and bath faucet complies with the Federal Safe Drinking Water Act and NSF 61 standards — making Moen the safe choice for clean drinking water.
- WARRANTY: Backed by Moen’s Limited Lifetime Warranty.
Setup & Installation
The Moen 84603 faucet is designed for a 4-inch centerset, 3-hole installation. Ensure your sink is compatible with this configuration before proceeding.

Figure 1: Sink compatibility diagram for 3-hole installation.
Before installation, turn off the main water supply. Clear the area under the sink and ensure you have all necessary tools and components as listed in the packaging. Follow the detailed instructions provided in the included user manual (PDF) for step-by-step guidance on securing the faucet to the deck, connecting water supply lines, and installing the drain assembly.

Figure 2: Moen Adler faucet properly installed in a bathroom setting.
Operating Instructions
Your Moen 84603 faucet features two lever handles for precise control of water temperature and flow. The left handle controls hot water, and the right handle controls cold water.
- To turn on the water, lift either handle.
- To increase water flow, lift the handle further.
- To adjust temperature, move the hot (left) and cold (right) handles simultaneously until the desired temperature is achieved.
- To turn off the water, push the handles down to their original closed position.

Figure 3: Faucet in operation, demonstrating water flow.
Maintenance
To maintain the chrome finish and ensure optimal performance of your Moen faucet, follow these simple maintenance tips:
- Cleaning: Clean the faucet regularly with a soft, damp cloth and mild soap. Avoid abrasive cleaners, harsh chemicals, or scouring pads, as these can damage the chrome finish.
- Water Spots: To prevent water spots, wipe the faucet dry after each use.
- Aerator Cleaning: If water flow decreases, the aerator may be clogged. Unscrew the aerator from the spout, clean any debris, and rinse thoroughly before reattaching.

Figure 4: The Moen Adler faucet, showcasing its chrome finish.
Troubleshooting
If you encounter issues with your Moen 84603 faucet, refer to the common problems and solutions below:
| Problem | Possible Cause | Solution |
|---|---|---|
| Low Water Flow | Clogged aerator; partially closed shut-off valves. | Clean or replace aerator; fully open shut-off valves. |
| Leaking from Spout | Worn out cartridge. | Replace the cartridge (refer to detailed manual). |
| Leaking from Handle Base | Loose packing nut; worn O-rings or seals. | Tighten packing nut; replace O-rings or seals. |
| Difficulty Turning Handles | Mineral buildup; worn cartridge. | Clean around handles; replace cartridge. |
For more complex issues or if troubleshooting steps do not resolve the problem, please contact Moen customer support.
Specifications
Key specifications for the Moen 84603 Adler Chrome Two Handle Bathroom Faucet:
| Attribute | Detail |
|---|---|
| Brand | Moen |
| Model Name | Adler |
| Part Number | 84603 |
| Finish Type | Chrome |
| Material | Plastic |
| Number of Handles | 2 |
| Handle Type | Lever |
| Mounting Type | Deck Mount |
| Installation Type | Centerset |
| Maximum Flow Rate | 1.75 Gallons Per Minute |
| Spout Reach | 4.9 Inches |
| Product Dimensions | 4.9"D x 4.25"W x 10.16"H |
| Item Weight | 2.95 Pounds |
| UPC | 026508271759 |

Figure 5: Dimensional overview of the Moen Adler faucet.
Warranty
The Moen 84603 Adler Chrome Two Handle Bathroom Faucet is backed by Moen's Limited Lifetime Warranty. This warranty covers defects in material and manufacturing workmanship for the original consumer purchaser. For full details regarding warranty coverage, terms, and conditions, please refer to the official Moen warranty documentation or visit the Moen website.
Support
For additional support, product information, or to purchase replacement parts, please visit the official Moen Store online or contact Moen customer service directly.
Visit the Moen Store.