Introduction
This manual provides essential information for the installation, operation, and maintenance of your BLANCO 400006 Essential 27" 70/30 Double Bowl Undermount Stainless Steel Kitchen Sink. The ESSENTIAL series is designed to offer practical style and functionality for everyday use, simplifying kitchen renovation projects with durable and affordable products.
For optimal performance and longevity, please read these instructions carefully before beginning installation or use.
Setup and Installation
The BLANCO 400006 sink is designed for undermount installation. A minimum cabinet size of 30 inches is required to accommodate this sink model.
Key Installation Considerations:
- Ensure your cabinet opening meets the minimum 30-inch requirement.
- Proper sealing and support are crucial for undermount sinks. Consult a professional if you are unsure about the installation process.
- Verify all included components, such as the basket strainer, are present before starting.

Figure 1: BLANCO 400006 Sink Dimensions. This image illustrates the precise measurements of the sink, including the overall length, width, and the dimensions of each of the two bowls, crucial for proper cabinet fitting.

Figure 2: Installed BLANCO 400006 Sink. This image shows the stainless steel double bowl sink seamlessly integrated into a kitchen countertop, demonstrating its appearance in a typical kitchen setting.
Operation
The BLANCO 400006 Essential sink features a 70/30 double bowl configuration, providing versatility for various kitchen tasks. The larger bowl is ideal for washing larger pots and pans, while the smaller bowl can be used for rinsing, food preparation, or as a dedicated space for a garbage disposal.
Usage Tips:
- Utilize the separate bowls for efficient multitasking, such as soaking dishes in one bowl while rinsing in the other.
- The included basket strainers help prevent food particles from entering your plumbing system, reducing the risk of clogs. Ensure they are properly seated during use.
- Consider optional accessories like custom sink grids (SKU 406389 for large bowl, SKU 406391 for small bowl) to protect the sink surface and enhance functionality.
Care and Maintenance
Your BLANCO stainless steel sink is designed for durability and resistance to corrosion, heat, water spots, and stains. Regular cleaning will maintain its appearance and hygiene.
Cleaning Guidelines:
- Daily Cleaning: After each use, rinse the sink thoroughly with warm water and wipe it dry with a soft cloth to prevent water spots and mineral buildup.
- Routine Cleaning: For general cleaning, use a mild dish soap or a non-abrasive stainless steel cleaner with a soft sponge or cloth. Always rub in the direction of the grain.
- Avoiding Damage:
- Do not use abrasive cleaners, steel wool, or scouring pads, as these can scratch the surface.
- Avoid harsh chemicals like bleach, strong acids, or ammonia-based cleaners, which can damage the stainless steel finish.
- Do not leave acidic foods (e.g., citrus, tomatoes) or corrosive substances in contact with the sink surface for extended periods.
- Addressing Scratches: Minor scratches are normal with stainless steel over time. Specialized stainless steel scratch removal kits can be used for deeper scratches, following the product instructions carefully.
Troubleshooting
This section addresses common issues you might encounter with your kitchen sink.
| Problem | Possible Cause | Solution |
|---|---|---|
| Water Spots/Stains | Hard water deposits; not drying the sink after use. | Wipe the sink dry after each use. For existing spots, use a vinegar-water solution (1:1) or a specialized stainless steel cleaner, then rinse and dry. |
| Dull Appearance | Buildup of soap scum or mineral deposits; lack of proper cleaning. | Clean regularly with a mild detergent and soft cloth. For stubborn dullness, use a stainless steel polish, following product directions. |
| Slow Drainage/Clogging | Food particles or grease buildup in the drain. | Ensure basket strainers are used to catch debris. For clogs, try a plunger or a mixture of baking soda and vinegar followed by hot water. Avoid harsh chemical drain cleaners. |
| Minor Scratches | Normal wear and tear; abrasive cleaning. | Stainless steel is durable but can scratch. Use cutting boards and avoid dragging sharp objects. For minor scratches, a stainless steel scratch removal kit can be used. |
If you encounter issues not listed here or require further assistance, please contact BLANCO customer support.
Specifications
| Attribute | Detail |
|---|---|
| Model Number | 400006 |
| Brand | BLANCO |
| Product Type | Kitchen Sink |
| Configuration | 70/30 Double Bowl |
| Installation Method | Undermount |
| Material | Stainless Steel |
| Finish | Brushed |
| Colour | Stainless Steel |
| Minimum Cabinet Size | 30 inches |
| Overall Dimensions (L x W x H) | 67.3 cm x 44 cm x 20.5 cm (26.5" x 17.3" x 8.1") |
| Parcel Dimensions | 83.82 x 59.06 x 26.04 cm |
| Item Weight | 6.2 kg (13.67 lbs) |
| Included Components | Basket Strainer |
| Country of Origin | China |
Note: All dimensions are approximate and subject to manufacturing tolerances.
Warranty and Support
Your BLANCO 400006 Essential Kitchen Sink is backed by a Limited Lifetime Warranty. This warranty covers manufacturing defects and ensures the quality and craftsmanship of your sink.
For detailed warranty terms and conditions, or for technical support and service inquiries, please refer to the official BLANCO website or contact BLANCO customer service directly. Keep your proof of purchase for warranty claims.
For more information and to explore optional accessories, visit the Official Blanco Store.





