1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your Cornat Piccolo single-lever basin mixer tap. Please read these instructions carefully before installation and use to ensure proper function and longevity of the product. Keep this manual for future reference.
The Cornat Piccolo mixer tap is designed for washbasin installation and is compatible with instantaneous water heaters or central hot water supply systems. It features a solid brass body with a durable chrome-plated surface, ensuring protection against corrosion and ease of cleaning. The integrated aerator provides a full, even, and quiet water jet, reducing splashing and optimizing water consumption.

Figure 1.1: Front view of the Cornat Piccolo Basin Mixer Tap.

Figure 1.2: The tap installed in a washbasin, showing its compact design.

Figure 1.3: Angled view of the tap in a basin, highlighting the lever handle.
2. Safety Information
- Ensure the main water supply is turned off before beginning any installation or maintenance work.
- Wear appropriate personal protective equipment (e.g., gloves, eye protection) during installation.
- If you are unsure about any part of the installation process, consult a qualified plumber.
- This product is not suitable for use with low-pressure electric water heaters.
- Do not use abrasive cleaners or scouring pads on the chrome surface, as this can damage the finish.
3. Package Contents
Verify that all components are present before starting the installation:
- Cornat Piccolo Single-Lever Basin Mixer Tap (Chrome-plated brass body)
- Connection Hoses (350 mm length, KTW-A drinking water standard compliant)
- M24 x 1 Aerator (integrated)
- 1 1/4" Waste Set with Pull Rod
- Mounting Accessories (gaskets, nuts, washers)
4. Specifications
| Brand | Cornat |
| Model Name | Piccolo |
| Model Number | SA840 |
| Material | Brass |
| Finish | Chrome |
| Color | Silver |
| Mounting Type | Deck Mount (1-hole installation) |
| Number of Handles | 1 (Lever) |
| Spout Height | 107 mm |
| Spout Reach | 9.7 cm |
| Hose Length | 350 mm |
| Valve Type | Disc Valve |
| Product Dimensions (DxWxH) | 128mm x 49mm x 107mm |

Figure 4.1: Product Dimensions. The diagram illustrates the tap's height (107mm), base diameter (49mm), total depth (128mm), spout reach (97mm), and spout height from base (49mm).
5. Setup and Installation
Follow these steps for proper installation of your Cornat Piccolo basin mixer tap. Ensure the water supply is turned off before starting.
- Prepare the Basin: Ensure the mounting hole on your washbasin is clean and free of debris. The tap requires a single hole for installation.
- Install the Tap:
- Insert the connection hoses into the base of the tap.
- Place the tap onto the basin, ensuring the rubber gasket is correctly positioned between the tap base and the basin surface to prevent leaks.
- From underneath the basin, secure the tap using the provided mounting accessories (washer and nut). Tighten firmly but do not overtighten.
- Connect Water Supply:
- Connect the hot and cold water supply lines to the corresponding connection hoses from the tap. The hoses are 350mm long and comply with KTW-A drinking water standards.
- Ensure all connections are tight to prevent leaks.
- Install Waste Set:
- Assemble the 1 1/4" waste set with the pull rod according to its specific instructions.
- Connect the pull rod to the tap's lever mechanism.
- Install the waste set into the basin's drain hole, ensuring a watertight seal.
- Test for Leaks: Once installation is complete, slowly turn on the main water supply and check all connections for any leaks. Operate the tap to ensure proper water flow and temperature control.

Figure 5.1: Exploded view of mounting components. This diagram illustrates the various parts involved in securing the tap to the basin, including gaskets, washers, and nuts.
6. Operating Instructions
The Cornat Piccolo tap features a single-lever design for easy control of water flow and temperature.
- Water Flow Control: Lift the lever upwards to increase water flow. Push it downwards to decrease or stop the flow.
- Temperature Control: Move the lever to the left for hot water and to the right for cold water. Adjust the position between left and right to achieve the desired water temperature.
- Waste Operation: Use the pull rod located behind the tap to open and close the basin waste. Pull up to close the waste, push down to open it.

Figure 6.1: Lever operation guide. This illustration demonstrates the movements of the single lever for controlling water flow and temperature.
7. Maintenance
Regular maintenance will help preserve the appearance and functionality of your tap.
- Cleaning: Clean the chrome surface regularly with a soft cloth and mild soap or a non-abrasive cleaner specifically designed for chrome. Rinse thoroughly with water and dry with a soft cloth to prevent water spots. Avoid using abrasive sponges, harsh chemicals, or acidic cleaners, as these can damage the chrome finish.
- Aerator Maintenance: If water flow becomes weak or uneven, the aerator may be clogged. Unscrew the aerator from the spout, clean any debris or mineral deposits, and rinse it under running water. Reattach the aerator securely.
- Cartridge Replacement: The tap features an easy-to-replace cartridge with long-lasting ceramic seals. If you experience persistent drips or difficulty controlling water temperature/flow, the cartridge may need replacement. Consult a qualified plumber or refer to specific cartridge replacement instructions.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Water drips from the spout. | Worn cartridge or debris in the cartridge. | Replace the ceramic cartridge. |
| Low or uneven water flow. | Clogged aerator or partially closed stopcock. | Clean the aerator. Check if the stopcocks under the basin are fully open. |
| Water leaks from the base of the tap. | Loose mounting nut or damaged gasket. | Tighten the mounting nut. Check and replace the gasket if damaged. |
| Difficulty adjusting water temperature. | Faulty cartridge or issues with water supply. | Replace the ceramic cartridge. Ensure hot and cold water supplies are functioning correctly. |
9. Warranty and Support
Cornat products are manufactured to high-quality standards. For warranty information or technical support, please refer to the purchase documentation or contact your retailer. Keep your proof of purchase for any warranty claims.
For further assistance, please visit the official Cornat website or contact customer service.