1. Introduction
Thank you for choosing the KOTTISAARI Wall Mount Bathtub Faucet, Model KOS8014BK. This manual provides essential information for the safe installation, operation, and maintenance of your new faucet. Please read these instructions thoroughly before installation and retain them for future reference.
2. Safety Information
- Always turn off the main water supply before beginning any installation or maintenance.
- Wear appropriate personal protective equipment (PPE) such as safety glasses and gloves during installation.
- Ensure all plumbing connections are secure to prevent leaks.
- If you are unsure about any part of the installation process, consult a qualified plumber.
- Do not use harsh chemicals or abrasive cleaners on the faucet finish.
3. Package Contents
Verify that all components are present before starting installation:
- Faucet Spout
- Two Handle Levers
- Rough-in Valve
- Mounting Hardware (screws, anchors, etc.)
- Installation Guide

Image: All components included in the KOTTISAARI Wall Mount Bathtub Faucet package.
4. Setup and Installation
This KOTTISAARI Wall Mount Bathtub Faucet is designed for wall-mounted installation. It features a US Standard NPT 1/2 inlet connector for easy integration into your plumbing system. Professional installation is recommended for optimal performance and to ensure compliance with local plumbing codes.
Installation Steps:
- Prepare the Wall: Ensure the wall is properly prepared for a wall-mount installation, including necessary framing and waterproofing.
- Install Rough-in Valve: Secure the brass rough-in valve within the wall according to the provided diagram, ensuring it is level and at the correct depth. Connect the hot and cold water lines to the NPT 1/2 inlets.
- Install Faucet Spout and Handles: Once the wall is finished (tiled, painted, etc.), install the faucet spout and handle levers. Ensure the spout extends sufficiently over the tub rim.
- Test for Leaks: Turn on the main water supply and carefully check all connections for leaks.

Image: Dimensional diagram for KOTTISAARI Wall Mount Bathtub Faucet installation.
Video: An official KOTTISAARI video demonstrating the faucet's features and water flow, highlighting its design and functionality.
5. Operating Instructions
The KOTTISAARI Wall Mount Bathtub Faucet features two lever handles for precise control over water temperature and volume. The ceramic disc valve ensures smooth operation and leak-free performance.
- Turning On/Off: Rotate the lever handles to turn the water on or off.
- Adjusting Temperature: The left handle typically controls hot water, and the right handle controls cold water. Adjust both handles to achieve your desired water temperature.
- Adjusting Flow: The further you open the handles, the higher the water flow. This faucet is designed for a high water flow rate of Max 10.5 GPM (39.7 L/Min) at 80 PSI to quickly fill your tub.

Image: KOTTISAARI Wall Mount Bathtub Faucet in operation, demonstrating water flow.
6. Maintenance
To maintain the appearance and functionality of your KOTTISAARI faucet, follow these guidelines:
- Cleaning: Clean the faucet regularly with a soft cloth and mild soap. Rinse thoroughly with water and dry with a soft cloth to prevent water spots.
- Avoid Harsh Cleaners: Do not use abrasive cleaners, ammonia-based products, bleach, or other harsh chemicals, as these can damage the finish and internal components.
- Aerator Maintenance: Periodically check and clean the aerator (Ø24mm Neoperl Patented Aerator) at the end of the spout to remove any mineral buildup that might affect water flow.
- Leak Prevention: The ceramic disc valve is designed for long-term leak-free performance. If you notice any drips or leaks, consult the troubleshooting section or contact customer support.
7. Troubleshooting
If you encounter any issues with your faucet, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Low Water Flow | Clogged aerator; partially closed shut-off valves. | Clean the aerator; ensure shut-off valves are fully open. |
| Faucet Drips/Leaks | Loose connections; worn ceramic disc cartridge. | Check and tighten all connections; replace the ceramic disc cartridge if necessary. |
| Water Temperature Issues | Incorrect handle adjustment; water heater issues. | Adjust hot and cold handles; check water heater settings. |
If the problem persists after attempting these solutions, please contact KOTTISAARI customer support.
8. Specifications
- Brand: KOTTISAARI
- Model Name: KOS8014BK
- Mounting Type: Wall Mount
- Number of Handles: 2
- Material: Brass (faucet), Zinc (handle)
- Finish Type: Matte Black
- Spout Reach: 280 Millimeters (11 inches)
- Spout Height: 49 Millimeters
- Maximum Flow Rate: 10.5 Gallons Per Minute (39.7 L/Min) at 80 PSI
- Hole Count: 3
- Special Feature: Lead Free
- Included Components: Handle, Mounting Hardware, Valve
- Product Dimensions: 11.02 x 2.68 x 1.93 inches
- Item Weight: 4.53 pounds
9. Warranty and Support
The KOTTISAARI Wall Mount Bathtub Faucet is covered by a lifetime warranty. KOTTISAARI offers Gold-Standard Customer Service with an instant hassle-free refunds or exchanges policy if not 100% satisfied within 30 days of purchase. For any problems or further assistance, please contact KOTTISAARI customer support.
Contact Information: Please refer to your purchase documentation or the KOTTISAARI official website for the most current customer support contact details.