1. Introduction
This manual provides comprehensive instructions for the installation, operation, and maintenance of your Cersanit K667-075 Compact 684 Arteco Pion Clean On New 020 3/5 Duroplast Soft-Close Toilet Seat. Please read this manual thoroughly before installation and use to ensure proper function and longevity of the product.
2. Safety Information
- Always handle the product with care to avoid damage.
- Ensure all mounting hardware is securely fastened to prevent movement or injury.
- Do not use abrasive cleaners or harsh chemicals on the toilet seat, as this may damage the Duroplast material and soft-close mechanism.
- Keep small parts out of reach of children.
3. Product Overview
The Cersanit K667-075 Compact 684 Arteco Pion Clean On New 020 3/5 toilet seat is designed for comfort and hygiene. It features a durable Duroplast construction and a soft-close mechanism for quiet and gentle closing. The 'Clean On' design refers to the toilet bowl's rimless structure, which facilitates easier cleaning and improved hygiene, though this manual focuses on the seat itself.

Image 3.1: Cersanit K667-075 Compact 684 Arteco Pion Clean On New 020 3/5 Toilet with Seat Down. This image shows the complete toilet unit with the seat in the closed position.

Image 3.2: Cersanit K667-075 Compact 684 Arteco Pion Clean On New 020 3/5 Toilet with Seat Up. This image displays the toilet unit with the seat and lid in the open position, revealing the toilet bowl.
4. Package Contents
Please verify that all components are present before beginning installation:
- Cersanit K667-075 Duroplast Soft-Close Toilet Seat
- Mounting Hardware (hinges, bolts, washers, nuts)
- Installation Guide (this document)
5. Setup and Installation
Follow these steps to properly install your Cersanit toilet seat. Ensure the toilet bowl is clean and dry before installation.
- Prepare the Toilet: If replacing an old seat, remove it by unscrewing the nuts from the bolts located underneath the toilet bowl rim. Clean the area thoroughly.
- Position the Hinges: Insert the bolts of the new hinges into the mounting holes on the toilet bowl. Ensure the hinges are correctly oriented for the seat to align.
- Secure the Hinges: From underneath the toilet bowl, place washers and then nuts onto the bolts. Hand-tighten the nuts initially.
- Attach the Seat: Align the toilet seat with the hinges and press down firmly until it clicks into place. Some models may require sliding the seat onto the hinge posts.
- Adjust and Tighten: Close the toilet seat and lid. Adjust the position of the seat and hinges to ensure it is centered and sits flush on the toilet bowl. Once aligned, fully tighten the nuts from underneath the toilet bowl using a suitable wrench, being careful not to overtighten.
- Test Soft-Close: Gently push the seat and lid down to test the soft-close mechanism. It should close slowly and quietly.

Image 5.1: Top-down view of Cersanit K667-075 toilet bowl with mounting holes. This image shows the two mounting holes at the back of the toilet bowl where the seat hinges are attached.

Image 5.2: Technical drawing with dimensions for Cersanit K667-075 toilet. This diagram provides detailed measurements of the toilet unit, including the spacing for the seat mounting holes, which is crucial for compatibility and installation.
6. Operating Instructions
The Cersanit K667-075 toilet seat is designed for simple operation.
- Soft-Close Feature: To close the seat or lid, simply push it down gently. The soft-close mechanism will engage, allowing it to lower slowly and quietly without slamming. Do not force the seat or lid down, as this can damage the mechanism.
- Quick Release (if applicable): Some Cersanit seats feature a quick-release mechanism for easy cleaning. If your seat has this, locate the release buttons or tabs near the hinges and press them to detach the seat from the toilet bowl. Reattach by aligning and pressing down until it clicks.
7. Maintenance and Cleaning
Proper maintenance ensures the longevity and hygiene of your toilet seat.
- Regular Cleaning: Clean the toilet seat regularly with a soft cloth and mild, non-abrasive soap and water.
- Avoid Harsh Chemicals: Do not use abrasive cleaners, scouring pads, strong acids, alkalis, or chlorine-based products, as these can damage the Duroplast surface and the soft-close mechanism.
- Drying: After cleaning, wipe the seat dry with a soft cloth to prevent water spots.
- Hinge Care: Periodically check the hinge connections for tightness. If the seat feels loose, gently retighten the mounting nuts.
8. Troubleshooting
If you encounter any issues with your toilet seat, refer to the following common solutions:
- Seat is Loose: Check the mounting nuts underneath the toilet bowl. Tighten them securely, but do not overtighten.
- Soft-Close Not Working Properly: Ensure the hinges are clean and free from debris. If the mechanism is damaged, it may require replacement. Avoid forcing the seat down.
- Seat Does Not Align: Loosen the mounting nuts slightly, adjust the seat position, and then retighten.
- Squeaking Noises: Apply a small amount of silicone-based lubricant to the hinge pivot points if squeaking occurs. Avoid oil-based lubricants.
9. Specifications
| Feature | Specification |
|---|---|
| Brand | Cersanit |
| Model Number | K667-075 |
| Material | Duroplast (Plastic) |
| Features | Soft-Close, Easy Clean Design |
| Installation Type | Top-fix/Bottom-fix (standard toilet mounting) |
| ASIN | B08R8C8J7P |
| Country of Origin | Poland |
10. Warranty and Support
Warranty information for the Cersanit K667-075 toilet seat is typically provided by the manufacturer or the retailer at the time of purchase. Please refer to your purchase documentation for specific warranty terms and conditions.
For technical support, spare parts, or further assistance, please contact your retailer or the official Cersanit customer service. Contact details can usually be found on the manufacturer's website or your purchase receipt.





