1. Product Overview
The LOMAZOO Black Stainless Steel Sink, ONYX model, is a modern and functional addition to any kitchen. Designed for both over-mount and under-mount installation, this sink combines aesthetic appeal with practical features. It is crafted from durable, robust stainless steel with a special coating that ensures it is easy to clean, hygienic, and permanently rust-free. The sink also incorporates advanced sound-dampening technology to minimize noise and vibration during use.
Included Components:
- Sink unit
- Drain set
- Bottom valve
- Basket valve
- A complete set of accessories for installation

Figure 1.1: Top-down view of the LOMAZOO Black Stainless Steel Sink, showcasing its sleek design and integrated drain.
2. Setup and Installation
The LOMAZOO sink is designed for quick and easy installation, whether you choose an over-mount (built-in) or under-mount configuration. All necessary mounting materials and accessories are included to facilitate a hassle-free setup.
2.1 Pre-Installation Checklist
- Ensure you have adequate space for the sink dimensions (refer to Section 5: Specifications).
- Verify that all included components (sink, drain set, valves, accessories) are present.
- Prepare the countertop opening according to the chosen installation method (over-mount or under-mount).
2.2 Installation Steps
- Carefully unbox the sink and all components.
- Position the sink in the prepared opening. For over-mount, ensure the rim sits flush. For under-mount, secure it from below.
- Install the drain set, bottom valve, and basket valve according to the provided accessory instructions. Ensure all connections are watertight.
- Connect the sink to your plumbing system.
- Test for leaks by running water into the sink.

Figure 2.1: Dimensional diagram of the LOMAZOO ONYX sink, crucial for accurate countertop cutting and installation planning.

Figure 2.2: Close-up view of the sink's edge, demonstrating the sleek finish and the LOMAZOO branding, relevant for understanding the installation fit.
3. Operating the Sink
Operating the LOMAZOO sink is straightforward. It functions as a standard kitchen sink for washing dishes, preparing food, and other household tasks. The included drain set, bottom valve, and basket valve ensure efficient water drainage and prevent larger debris from entering your plumbing system.
3.1 Drain and Valve Usage
- The basket valve can be used to collect food scraps and prevent them from going down the drain. Empty it regularly.
- The bottom valve controls water retention in the sink. Close it to fill the sink with water, and open it to drain.

Figure 3.1: Components of the sink drain, including the basket filter and the main drain assembly, designed for efficient waste management.
4. Maintenance and Care
The LOMAZOO sink is designed for easy maintenance thanks to its durable stainless steel material and special coating. Regular cleaning will help maintain its appearance and longevity.
4.1 Daily Cleaning
- After each use, rinse the sink thoroughly with water to remove any food particles or residue.
- Wipe the sink dry with a soft cloth to prevent water spots, especially in hard water areas.
4.2 Deep Cleaning
- For more thorough cleaning, use a mild dish soap and a soft sponge or cloth.
- Avoid abrasive cleaners, steel wool, or harsh chemicals, as these can damage the surface finish.
- The surface coating makes it extremely easy to keep clean and free from scratches.
4.3 Preventing Scratches and Stains
- While the sink is designed to be scratch-resistant, avoid dragging heavy or sharp objects across the surface.
- Promptly clean up any acidic foods or liquids (e.g., lemon juice, vinegar) to prevent potential staining, although the material is highly resistant.
5. Troubleshooting
The LOMAZOO sink is engineered to minimize common issues. However, if you encounter any problems, refer to the following points:
5.1 Condensation
- The sink features a protective coating that prevents condensation from forming underneath. If you notice condensation, ensure proper ventilation around the sink area.
5.2 Drainage Issues
- If water drains slowly, check the basket valve for accumulated debris and clear it.
- Ensure the bottom valve is fully open.
- For persistent drainage issues, consult a qualified plumber.
5.3 Surface Discoloration
- While highly resistant, some harsh chemicals or prolonged exposure to certain substances might affect the finish. Refer to Section 4.2 for cleaning guidelines.
6. Specifications
Detailed specifications for the LOMAZOO Black Stainless Steel Sink, ONYX model:
| Attribute | Value |
|---|---|
| Material | Stainless Steel |
| Colour | Black (blackone) |
| Weight | 3.5 kg (Product Dimensions: 40 x 18 x 20 cm; 3.5 kg) |
| Sink Total Height | 20.0 cm |
| Sink Total Length | 50.0 cm |
| Sink Overall Width | 40.0 cm |
| Bowl Depth | 20.0 cm |
| Bowl Length | 45.0 cm |
| Bowl Width | 35.0 cm |
| Mounting Material | Included (Top & Under Mount) |
| Installation Method | Built-in (Over-mount or Under-mount) |
| Finish Type | Polished |
| Shape | Rectangular |
| Drain Type | Grid |

Figure 6.1: The LOMAZOO sink integrated into a kitchen countertop, demonstrating its size and appearance in a typical setting.
7. Warranty and Support
LOMAZOO stands behind the quality of its products. The LOMAZOO Black Stainless Steel Sink, ONYX, comes with a comprehensive 5-year warranty from the date of purchase.
7.1 Warranty Coverage
This warranty covers defects in materials and workmanship under normal use and service. It does not cover damage resulting from improper installation, misuse, abuse, accident, or unauthorized repairs.
7.2 How to Obtain Support
If you experience any issues with your LOMAZOO sink or have questions regarding its operation or maintenance, please contact LOMAZOO customer support. Keep your proof of purchase readily available when contacting support.
For further assistance, please refer to the contact information provided with your product packaging or visit the official LOMAZOO website.