1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your FORIOUS FB-03113B Square Matte Black 8-Inch Widespread Waterfall Bathroom Faucet. Please read this manual thoroughly before installation and use to ensure proper function and to prevent damage.
2. Safety Information
- Always turn off the main water supply before installing or performing any maintenance on the faucet.
- Wear safety glasses and gloves during installation.
- Ensure all local plumbing and building codes are met.
- If you are unsure about any part of the installation process, consult a qualified plumber.
- Do not use abrasive cleaners, steel wool, or harsh chemicals, as these may damage the finish.
3. Product Overview
The FORIOUS FB-03113B faucet features a modern square design with a matte black finish and a unique waterfall spout. It is designed for 3-hole, 8-inch widespread installations.
Key Features:
- Precise Water Flow Control: Equipped with a drip-free ceramic cartridge valve for easy adjustment of water flow and temperature.
- Durable Construction: Made from SUS304 stainless steel for long-lasting performance and resistance to rust and corrosion.
- Lead-Free Compliance: Certified by NSF/ANSI/CAN 372 standards and compliant with the Safe Water Drinking Act (CUPC) for safe and clean water.
- Elegant Design: Matte black finish resists tarnishing and fingerprints.

Included Components:
- Faucet Spout
- Hot and Cold Handles
- Pop-up Drain Assembly
- Hot and Cold Water Supply Lines (24 inches)
- Mounting Hardware
- Instruction Manual
4. Installation
This faucet is designed for easy installation. Follow these steps carefully.
4.1 Pre-Installation Checks:
- Ensure your sink has 3 pre-drilled holes with a diameter between 1.26 inches and 1.38 inches.
- The maximum deck thickness for installation is 1.38 inches (35mm).
- Verify the distance between the holes is suitable for an 8-inch widespread faucet (typically 6-12 inches).

4.2 Faucet Installation Steps:
- Turn off the water supply at the main valve.
- Place the faucet body and handles into the pre-drilled holes on your sink or countertop.
- From underneath the sink, secure the faucet and handles using the provided washers and lock nuts. Tighten securely.
- Connect the hot and cold water supply lines to the corresponding inlets on the faucet and to your water supply valves. Ensure connections are tight to prevent leaks.

4.3 Pop-up Drain Installation:
The included pop-up drain is designed for easy installation and maintenance.
Video 4.1: This video provides a step-by-step guide for installing the FORIOUS Pop-up Drain, demonstrating how to properly assemble and secure it to your sink.
- Disassemble the pop-up drain by removing the locknut and the larger rubber gasket.
- Insert the drain body into the sink drain hole from above.
- From underneath, place the larger rubber gasket (oriented as shown in the video) and then thread on the locknut. Tighten the locknut to secure the drain.
- Ensure the drain is properly sealed to prevent leaks.
5. Operation
Operating your FORIOUS waterfall faucet is simple and intuitive.
5.1 Water Flow and Temperature Control:
- The two handles control the hot and cold water supply independently.
- Turn the left handle to control hot water flow.
- Turn the right handle to control cold water flow.
- Adjust both handles to achieve your desired water temperature and flow rate.

5.2 Waterfall Spout:
The wide, open-channel spout delivers a steady, splash-free waterfall flow, enhancing the aesthetic and user experience.
Video 5.2: This video demonstrates the smooth and elegant waterfall flow of the FORIOUS bathroom faucet, highlighting its design and functionality.
6. Maintenance
Regular cleaning and maintenance will help preserve the finish and functionality of your faucet.
6.1 Cleaning the Faucet:
- Clean the matte black finish with a soft, damp cloth.
- Use mild soap if necessary, then rinse thoroughly and dry with a soft cloth to prevent water spots.
- Avoid abrasive cleaners, solvents, or polishing agents, as these can damage the finish.

6.2 Cleaning the Pop-up Drain:
The pop-up drain features a detachable anti-clogging strainer for easy cleaning.

- To clean the drain, simply press the pop-up stopper to the open position.
- Gently pull the stopper upwards to remove it from the drain body.
- Clean any hair or debris from the strainer and the stopper.
- Rinse the stopper and reinsert it into the drain body.
7. Troubleshooting
If you encounter any issues, refer to the following common problems and solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Low Water Flow | Aerator clogged; water supply partially closed. | Clean or replace aerator; ensure water supply valves are fully open. |
| Leaking from Faucet Base | Loose mounting nuts; worn O-rings. | Tighten mounting nuts; replace O-rings if necessary. |
| Leaking from Handles | Loose cartridge nut; worn cartridge. | Tighten cartridge nut; replace ceramic cartridge. |
| Drain Leaks | Improperly seated gaskets; loose locknut. | Re-seat gaskets correctly; tighten locknut. |
8. Specifications
| Feature | Specification |
|---|---|
| Brand | FORIOUS |
| Model Name | FB-03113B |
| Color | Matte Black |
| Material | Stainless Steel |
| Mounting Type | Deck Mount |
| Number of Handles | 2 |
| Hole Count | 3 |
| Installation Type | Widespread |
| Maximum Flow Rate | 1.8 Gallons Per Minute |
| Spout Height | 3.31 Inches |
| Spout Reach | 6.65 Inches |
| Hose Length | 24 Inches |
| Item Weight | 4.18 pounds |
| Product Dimensions | 6.65 x 1.2 x 4.7 inches |
9. Warranty and Support
Your FORIOUS FB-03113B faucet comes with a limited warranty. For specific warranty details, please refer to the warranty card included in your product packaging or contact FORIOUS customer support.
For technical assistance, replacement parts, or any other inquiries, please visit the official FORIOUS website or contact their customer service department.







