Introduction
This user manual provides essential information for the safe and efficient installation, operation, and maintenance of your new Franke PKX11025 26 3/16-inch Stainless Steel Undermount Sink. Please read these instructions thoroughly before beginning installation or use, and retain this manual for future reference.
Product Overview
The Franke PKX11025 is a high-quality 26 3/16-inch stainless steel undermount sink designed for durability and functionality in modern kitchens. Its minimalist design features a unique square drain and an integral ledge system.
Key Features
- 16-Gauge Stainless Steel: Hand-fabricated for high finish quality and durability.
- Franke Integral Ledge System: Designed to support a shelf grid, transforming the sink into an ergonomic workstation.
- Precision 5mm Corner Radius: Provides a modern and clean aesthetic.
- Sound Dampening Pads: Minimizes noise from running water or waste disposal.
- Undermount Installation: Designed for seamless integration with countertops.
- Square Drain Cover: Complements the sink's design and functions as a strainer, concealing the waste disposer or strainer.
Specifications
| Attribute | Detail |
|---|---|
| Brand | Franke |
| Model Number | PKX11025 |
| Material | Stainless Steel (16-gauge) |
| Color | Stainless Steel |
| Size | 26 3/16-inch |
| Product Dimensions (D x W x H) | 18"D x 25"W x 10"H |
| Installation Type | Undermount |
| Finish Type | Brushed |
| Shape | Square |
| Drain Type | Grid |
| Item Weight | 19.5 Pounds |
| Minimum Cabinet Size | 30 inches |

Image 1: Top-down view of the Franke PKX11025 stainless steel sink, highlighting the square drain design.
Safety Information
- Always wear appropriate personal protective equipment (PPE), such as gloves and eye protection, during installation.
- Ensure all plumbing connections are secure and watertight to prevent leaks and water damage.
- Handle the sink with care to avoid scratches or damage to the finish during installation.
- If using power tools, follow the manufacturer's safety guidelines.
- Do not use corrosive chemicals or abrasive materials on the sink surface, as this can damage the stainless steel finish.
Installation Instructions
The Franke PKX11025 is designed for undermount installation. Professional installation is recommended to ensure proper fit and function.
Required Tools and Materials (Not Included):
- Sealant (silicone recommended)
- Mounting clips and hardware (typically included with sink, verify package contents)
- Drill
- Screwdriver
- Measuring tape
- Pencil or marker
- Jigsaw or appropriate cutting tool for countertop cutout
- Plumbing connections (drain, P-trap, faucet, etc.)
General Installation Steps:
- Prepare Countertop: Ensure the countertop cutout matches the sink template provided by Franke. The minimum cabinet size required is 30 inches.
- Clean Surfaces: Thoroughly clean and dry the underside of the countertop and the rim of the sink where sealant will be applied.
- Apply Sealant: Apply a continuous bead of silicone sealant around the perimeter of the sink rim.
- Position Sink: Carefully lift and position the sink underneath the countertop cutout, aligning it correctly.
- Secure Sink: Attach the mounting clips and hardware to secure the sink firmly to the underside of the countertop. Tighten evenly to ensure a tight seal.
- Connect Plumbing: Install the drain assembly, garbage disposal (if applicable), and connect all necessary plumbing lines according to local codes.
- Cure Sealant: Allow the sealant to cure completely as per the manufacturer's instructions before using the sink.
- Test for Leaks: Once cured, fill the sink with water and check all plumbing connections for any leaks.
Refer to the detailed installation guide included with your sink for specific instructions and diagrams.
Operating Your Franke Sink
Your Franke PKX11025 sink is designed for everyday kitchen tasks. Its features enhance usability and efficiency.
- Integral Ledge System: Utilize the integrated ledge to support compatible accessories such as a shelf grid, cutting board, or colander. This transforms your sink into a versatile workstation for food preparation and cleaning.
- Square Drain Cover: The removable square drain cover conceals the drain opening, providing a flat bottom surface for improved aesthetics and functionality. It also acts as a strainer to catch debris.
- Sound Dampening: The integrated sound dampening pads reduce noise during use, providing a quieter kitchen environment.

Image 2: Franke PKX11025 sink showcasing the integral ledge system with a grid accessory holding fruits and ice.

Image 3: Franke PKX11025 sink integrated into a modern kitchen island, demonstrating its aesthetic appeal and functional workspace.
Maintenance and Cleaning
Proper care and maintenance will preserve the appearance and longevity of your Franke stainless steel sink. Stainless steel is durable but requires regular cleaning to prevent water spots and maintain its finish.
Daily Care:
- Wipe with Dry Cloth: After each use, rinse the sink thoroughly and wipe it dry with a soft, clean cloth. This is crucial to prevent water spots and mineral deposits, especially in areas with hard water.
- Mild Soap and Water: For general cleaning, use warm water and a mild dish soap. Apply with a soft sponge or cloth, then rinse thoroughly.
Avoid:
- Abrasive Cleaners: Do not use steel wool, abrasive scouring pads, or harsh abrasive cleaners, as these can scratch the stainless steel surface.
- Bleach or Chlorine Products: Avoid cleaners containing bleach or chlorine, as these can cause pitting and corrosion on stainless steel.
- Acidic Foods: Prolonged contact with highly acidic foods (e.g., citrus juices, tomato products) should be avoided. Rinse the sink promptly after contact.
- Metal Objects: Do not leave metal objects (e.g., cast iron pots, steel utensils) in the sink for extended periods, as they can cause rust stains.
Addressing Scratches and Stains:
- Minor Scratches: Stainless steel can develop minor scratches over time. These are often superficial and can be minimized with specialized stainless steel scratch removal kits, following the product instructions carefully.
- Water Spots/Mineral Deposits: For stubborn water spots, use a solution of vinegar and water (1:1 ratio) or a dedicated stainless steel cleaner. Apply, let sit briefly, then rinse and dry thoroughly.
- Rust Stains: If rust stains appear (often from external metal objects), use a non-abrasive stainless steel cleaner specifically designed to remove rust.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Water spots or mineral deposits | Hard water, not drying the sink after use. | Rinse and dry the sink thoroughly after each use. Use a vinegar and water solution or stainless steel cleaner for existing spots. |
| Scratches on surface | Abrasive cleaning, contact with sharp objects, normal wear. | Avoid abrasive cleaners. Use a cutting board for food prep. Minor scratches can be reduced with a stainless steel scratch removal kit. |
| Rust-like stains | Leaving ferrous metal objects in the sink, exposure to harsh chemicals. | Remove metal objects promptly. Clean with a non-abrasive stainless steel rust remover. Ensure proper ventilation if using strong cleaning agents nearby. |
| Slow drainage | Clogged drain, improper drain installation. | Clear any debris from the drain and strainer. Check P-trap for blockages. If issues persist, consult a plumber. |
| Leaking around sink rim | Improper sealant application, loose mounting clips. | Check mounting clips for tightness. Reapply sealant if necessary, ensuring surfaces are clean and dry before application. Professional assistance may be required. |
Warranty and Support
Franke products are manufactured to high standards. For specific warranty information regarding your Franke PKX11025 sink, please refer to the warranty documentation provided with your purchase or visit the official Franke website. Warranty terms typically cover manufacturing defects under normal use.
For technical support, replacement parts, or warranty claims, please contact Franke customer service directly. Contact information can usually be found on the Franke website or in your product packaging.
If you purchased an extended protection plan, please refer to the terms and conditions provided by the plan administrator for coverage details and claims procedures.







