Introduction
This manual provides essential information for the proper installation, operation, and maintenance of your KNVZNWFF replacement shaver head. Designed for compatibility with various Philips electric shaver models, this replacement head ensures continued optimal shaving performance. Please read these instructions carefully before use.
Product Overview
The KNVZNWFF replacement shaver head features three rotary blades designed for a close and comfortable shave. It is engineered to fit seamlessly into compatible Philips shaver models.

Close-up view of the three rotary shaver blades.

Top-down view of the shaver head assembly.

Shaver head opened, showing internal components.
Setup and Installation
Follow these steps to replace your shaver head:
- Turn on the shaver by pressing the "Release" button to open the shaver head unit.
- Turn the retaining ring counterclockwise to remove it.
- Carefully remove the old shaving head. Insert the new KNVZNWFF replacement head, ensuring it is properly aligned in place.
- Replace the retaining ring and turn it clockwise to secure the new head.
- When the shaving heads are closed properly, you will hear a distinct click, indicating it is securely in place.

Visual guide for shaver head replacement and reset.
Resetting the Shaver
After replacing the shaving heads, you can reset the replacement reminder on your shaver. Press and hold the on/off button for more than 7 seconds. If not manually reset, the replacement reminder will automatically turn off after 9 consecutive shaves.
Operating Instructions
Your new KNVZNWFF shaver head is designed for both dry and wet shaving, offering flexibility for your grooming routine. For a comfortable wet shave, apply shaving foam or gel to your face before use.

Demonstration of comfortable wet shaving with an electric shaver.
Maintenance
Regular cleaning of your shaver head is crucial for maintaining optimal performance and hygiene. After each use, rinse the shaver head under running water. For a more thorough cleaning, detach the head and use the provided cleaning brush to remove any trapped hair or debris. Allow the head to air dry completely before reattaching or storing.
It is recommended to replace shaver heads approximately every 12 months for best results, or sooner if you notice a decrease in shaving performance or comfort.
Troubleshooting
- Reduced Shaving Performance: Ensure the shaver head is clean and free of debris. If performance does not improve, it may be time for a replacement.
- Head Not Securing Properly: Check that the retaining ring is correctly aligned and turned clockwise until it clicks into place. Ensure no foreign objects are obstructing the fit.
- Irritation After Shaving: Ensure your skin is clean before shaving. If using wet shaving, apply sufficient foam or gel. If irritation persists, the blades may be dull, indicating a need for replacement.
Specifications
| Feature | Detail |
|---|---|
| Product Name | Replacement Shaver Head |
| Brand | KNVZNWFF |
| Compatible Philips Series | Series 5000, Series 7000, Series 9000 |
| Specific Compatible Models | S5000, S5008, S5010, S5011, S5013, S5015, S5050, S5070, S5075, S5077, S5078, S5079, S5080, S5081, S5082, S5090, S5095, S5110, S5140, S5210, S5230, S5340, S5370, S5380, S5400, S5420, S5510, S5560, S5570/33, S5570/43, S5571, S7000, S7300, S7310, S7370, S7510, S7700, S7720, S9000, S9031, S9111, S9121, S9151, S9311, S9321, S9511, S9531, S9711, S9721, S9731, S9911 |
| Package Contents | 1 x Replacement Shaver Head, 1 x Cleaning Brush |
| Item Weight | 50 Grams (1.76 ounces) |
| Color | Silver |
Warranty and Support
For any questions regarding installation, operation, or product performance, please contact the seller directly through your purchase platform. Please refer to the seller's return policy for information on product returns or exchanges.