1. Product Overview
The Ibergrif M20522 Dual Flush Valve is designed for efficient and reliable toilet flushing. It features a dual drainage system, allowing for both half and full flushes to conserve water. Constructed from high-quality, durable materials, this valve ensures a long service life and consistent performance.
Special Note: This toilet drain valve is specifically designed for toilet tanks with a 2-inch (Φ59-61MM) outlet hole diameter. It is NOT compatible with 1.5-inch (Φ48-50MM) outlet holes. Please verify your toilet tank's outlet size before installation.
Figure 1: Ibergrif M20522 Dual Flush Valve
2. Setup and Installation
Before beginning installation, ensure you have all necessary tools and that the water supply to the toilet is turned off. It is recommended to drain the toilet tank completely.
2.1 Compatibility Check
Confirm that your toilet tank's outlet hole is compatible with the 2-inch (Φ59-61MM) requirement of this valve.
Figure 2: Toilet Tank Outlet Compatibility
2.2 Component Identification
Familiarize yourself with the valve components:
Figure 3: Exploded View of Components
2.3 Installation Steps
- Remove the old flush valve from the toilet tank.
- Clean the toilet tank's outlet hole thoroughly.
- Place the new Ibergrif M20522 flush valve into the outlet hole, ensuring the silicone gasket is properly seated for a tight seal.
- Secure the valve from underneath the tank using the provided nut. Tighten firmly but do not overtighten.
- Adjust the height of the overflow pipe to fit your tank's water level requirements. The overflow pipe is adjustable from 185mm to 285mm.
- Connect the flush button assembly to the valve using the wire control. Ensure the wire is not kinked and allows for smooth operation.
- Reinstall the toilet tank lid.
Figure 4: Installation Diagram
Figure 5: Adjustable Overflow Pipe
2.4 Installation Video Guide
For a visual guide on the components and assembly, please refer to the video below:
Video 1: A Closer Look at the Ibergrif M20522 Dual Flush Valve components and assembly.
3. Operating Instructions
The Ibergrif M20522 features a dual flush button for water efficiency.
3.1 Dual Flush Functionality
- Half Flush: Press the smaller button for a reduced water flush, ideal for liquid waste.
- Full Flush: Press the larger button for a complete water flush, suitable for solid waste.
The wire control design ensures sensitive and responsive button activation.
Figure 6: Dual Flush Button
3.2 Adjustable Water Level
The valve allows for calibrated precision adjustment of the water level to meet different drainage needs. This adjustment is typically done via the overflow pipe's height, as shown in the installation section.
4. Maintenance
Regular maintenance helps ensure the longevity and optimal performance of your dual flush valve.
- Cleaning: Periodically clean the valve components, especially the silicone gasket and the overflow pipe, to prevent mineral buildup and ensure smooth operation. Use mild soap and water; avoid harsh chemicals.
- Gasket Inspection: Inspect the silicone gasket for any signs of wear, cracking, or degradation. A worn gasket can lead to leaks. Replace if necessary.
- Wire Control Check: Ensure the wire connecting the button to the valve is free from obstructions and operates smoothly.
5. Troubleshooting
If you encounter issues with your Ibergrif M20522 Dual Flush Valve, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Constant water leakage into the bowl | Worn or improperly seated silicone gasket; debris on gasket. | Inspect and clean the silicone gasket. Ensure it is seated correctly. Replace if damaged. |
| Weak or incomplete flush | Insufficient water level in tank; obstruction in valve. | Adjust the overflow pipe height to increase water level. Check valve for any blockages. |
| Flush button not responding | Kinked or disconnected wire control; button mechanism issue. | Check the wire control for kinks or disconnections and re-route if necessary. Ensure button assembly is correctly installed. |
| Valve not sealing properly after flush | Debris preventing valve from closing; worn internal components. | Clean the valve's sealing surfaces. If problem persists, consider replacing the valve. |
6. Specifications
| Feature | Specification |
|---|---|
| Manufacturer | IBERGRIF GRIFERIAS SL |
| Part Number | M20522 |
| Product Dimensions | 14 x 8 x 28 cm |
| Item Weight | 500 g |
| Colour | White |
| Style | Dual Flush Valve |
| Material | Plastic (ABS) |
| Item Package Quantity | 1 |
| Certification | CE, WaterSense |
| Included Components | 1*Toilet flush system, 1* Instruction sheet |
| Inlet Connection Size | 2 inches (Φ59-61MM) |
| Outlet Connection Size | 2 inches |
| Overflow Pipe Adjustment | 185mm - 285mm |
7. Warranty and Support
Ibergrif products are manufactured to high-quality standards. For specific warranty information, please refer to the documentation included with your purchase or contact Ibergrif customer support directly.
7.1 Customer Support
If you require further assistance or have questions not covered in this manual, please contact Ibergrif customer support through their official website or the retailer from whom you purchased the product. Please have your model number (M20522) ready when contacting support.
