1. Introduction
This instruction manual provides essential information for the proper installation, maintenance, and understanding of the Fantini 90029057 Stilo Faucet Handle Under-Cap. Please read this manual thoroughly before proceeding with any installation or maintenance to ensure safe and correct usage.
2. Product Overview
The Fantini 90029057 is a chrome-plated under-cap designed specifically for Fantini Stilo faucet handles. This component serves as a crucial part of the faucet assembly, providing a stable base for the handle and contributing to the overall aesthetic finish and secure operation of the faucet.

This image displays the Fantini 90029057 Stilo Faucet Handle Under-Cap. It is a circular, polished chrome component featuring a central opening lined with a black rubber gasket, designed to provide a secure and finished base for the faucet handle.
3. Safety Information
- Always turn off the main water supply to the faucet before beginning any installation, removal, or maintenance procedures.
- Wear appropriate personal protective equipment, such as safety glasses and gloves, to prevent injury.
- Ensure all tools used are in good condition and suitable for the task.
- If you are unsure about any step or encounter difficulties, consult a qualified plumber or contact Fantini customer support.
- Keep small parts away from children to prevent choking hazards.
4. Setup and Installation
This section outlines the general steps for installing the Fantini 90029057 under-cap. Specific faucet models may have slight variations. Refer to your faucet's primary installation guide if available.
- Prepare the Faucet: Ensure the water supply to the faucet is completely turned off. If replacing an existing under-cap, carefully remove the faucet handle and any old components.
- Position the Under-Cap: Place the Fantini 90029057 under-cap onto the faucet body, ensuring it sits flush and correctly aligns with the faucet's base. The central opening should align with the faucet's stem.
- Install the Handle: Reinstall the faucet handle over the under-cap, following the specific instructions for your Fantini Stilo faucet model. Ensure the handle is securely fastened, typically with a set screw.
- Check for Leaks: Slowly turn the main water supply back on. Inspect the faucet for any leaks around the handle base. If leaks are present, turn off the water supply and re-check the installation.
5. Operating
The Fantini 90029057 under-cap is a static component that supports the faucet handle. Its primary function is to provide a finished appearance and a stable foundation for the handle mechanism. Once installed, it contributes to the smooth and secure operation of the faucet handle by ensuring proper alignment and sealing.
6. Maintenance
- Cleaning: Clean the chrome surface regularly with a soft, damp cloth and a mild, non-abrasive cleaner. Avoid using harsh chemicals, abrasive sponges, or scouring powders, as these can damage the chrome finish.
- Inspection: Periodically inspect the under-cap for any signs of wear, corrosion, or looseness. If the under-cap appears loose, ensure the faucet handle is properly secured.
- Avoid Impact: Protect the under-cap from impacts or scratches, which can compromise its finish and integrity.
7. Troubleshooting
- Issue: Faucet handle feels loose or wobbly after installation.
- Solution: Ensure the Fantini 90029057 under-cap is correctly seated and fully engaged with the faucet body. Verify that the faucet handle's retaining screw (if applicable) is tightened appropriately. Refer to your specific faucet model's instructions for handle assembly.
- Issue: Visible scratches or damage to the chrome finish.
- Solution: Minor scratches may sometimes be buffed out with a specialized chrome polish. For significant damage, replacement of the under-cap may be necessary.
8. Specifications
| Feature | Detail |
|---|---|
| Manufacturer | Fratelli Fantini Spa |
| Model Number | 90029057 |
| Product Dimensions (L x W x H) | 5 x 5 x 10 cm |
| Weight | 20 grams |
| Color | Silver (Chrome finish) |
| Material | Chrome |
| Quantity | 1 |
9. Warranty Information
Fantini products typically come with a manufacturer's warranty. For detailed information regarding the warranty period, coverage, and terms and conditions for the Fantini 90029057 under-cap, please refer to the official Fantini website or consult your original purchase documentation.
10. Support
For technical assistance, inquiries about spare parts, or further product information, please visit the official Fantini website or contact their customer service department directly. Contact details can usually be found on the Fantini website or in your product packaging.