1. Introduction
This manual provides essential information for the proper installation, operation, and maintenance of your Roca A890200000 Plastic High Cistern and Semi-High Toilet Seat. Please read these instructions carefully before beginning installation or use to ensure safety and optimal performance. Keep this manual for future reference.
2. Product Overview
The Roca A890200000 toilet seat is designed for versatility, supporting both high cistern and semi-high installations. It features a durable plastic construction and a modern D-shape design. The seat includes a dual-flush push button mechanism for efficient water usage and a chain for high-level cistern connection.
Key Features:
- Material: High-quality plastic for durability and easy cleaning.
- Installation: Compatible with high cistern and semi-high setups.
- Flush Mechanism: Dual-flush push button for water conservation.
- Design: Modern D-shape in white finish.

Image of the Roca A890200000 Plastic High Cistern and Semi-High Toilet Seat, showcasing its D-shape and white finish.
3. Safety Information
Always prioritize safety during installation and use. Failure to follow these guidelines may result in injury or damage to the product.
- Ensure all water supply is turned off before beginning any plumbing work.
- Use appropriate tools and wear protective gear, such as gloves and eye protection.
- If you are unsure about any installation step, consult a qualified plumber.
- Do not overtighten fasteners, as this may crack the plastic components.
- Keep small parts away from children to prevent choking hazards.
4. Package Contents
Verify that all components are present and undamaged before proceeding with installation.
- Roca A890200000 Toilet Seat (1 unit)
- Dual-flush push button mechanism (pre-installed or separate)
- Chain for high cistern connection
- Mounting hardware (bolts, washers, nuts)
- Instruction Manual (this document)
5. Setup and Installation
This toilet seat is designed for both high cistern and semi-high installations. Specific pipes are required for high installation, which are not included with this product.
General Installation Steps:
- Prepare the Toilet Bowl: Ensure the toilet bowl is clean and dry. Remove any existing toilet seat and hardware.
- Position the Seat: Place the new Roca toilet seat onto the toilet bowl, aligning the mounting holes on the seat with the holes on the bowl.
- Secure the Mounting Hardware: Insert the provided bolts through the seat's mounting holes and the toilet bowl holes. From underneath the bowl, attach the washers and nuts. Hand-tighten initially.
- Adjust and Tighten: Adjust the seat position to ensure it is centered and aligned with the bowl. Once satisfied, fully tighten the nuts with a wrench, being careful not to overtighten.
- Connect Flush Mechanism (High Cistern): If installing with a high cistern, attach the provided chain to the flush lever inside the cistern and to the dual-flush push button mechanism on the toilet seat. Ensure the chain has appropriate tension for proper flushing.
- Test Flush: Turn on the water supply and test the flush mechanism to ensure proper operation and no leaks.
6. Operating Instructions
The Roca A890200000 toilet seat features a dual-flush push button for efficient water usage.
- Full Flush: Press the larger part of the dual-flush button for a full flush, suitable for solid waste.
- Half Flush: Press the smaller part of the dual-flush button for a reduced flush, suitable for liquid waste, conserving water.
7. Maintenance and Cleaning
Regular cleaning will help maintain the appearance and hygiene of your toilet seat.
- Clean the toilet seat regularly with mild soap and water.
- Use a soft cloth or sponge to avoid scratching the plastic surface.
- Avoid abrasive cleaners, harsh chemicals, or scouring pads, as these can damage the finish.
- Rinse thoroughly with clean water and dry with a soft cloth.
- Periodically check the mounting hardware for tightness and re-tighten if necessary.
8. Troubleshooting
If you encounter issues with your toilet seat, refer to the following common problems and solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Toilet seat is loose | Mounting bolts are not tight enough. | Tighten the mounting nuts underneath the toilet bowl. Do not overtighten. |
| Flush mechanism not working (high cistern) | Chain is detached or has incorrect tension. | Check the chain connection to both the cistern lever and the push button. Adjust chain length for proper tension. |
| Water leakage around the base | Improper installation or damaged seal. | Ensure all connections are secure. If leakage persists, consult a plumber. |
9. Specifications
| Specification | Detail |
|---|---|
| Brand | Roca |
| Model Number | A890200000 |
| Part Number | 4AAJCS02 |
| Material | Plastic |
| Color | White |
| Style | Modern |
| Shape | D-shape |
| Product Dimensions (L x W x H) | 44.2 x 12.7 x 39 cm |
| Item Weight | 2.84 Kilograms |
| Batteries Required | No |
| Global Trade Item Number (GTIN) | 08433290527964 |
10. Warranty and Support
For warranty information or technical support, please refer to the documentation provided at the point of purchase or contact Roca customer service directly. Keep your proof of purchase for warranty claims.






