Introduction
This user manual provides comprehensive instructions for the installation, operation, and maintenance of your GROHE Baucosmopolitan E Touchless Electronic Faucet. Designed for modern bathrooms, this faucet offers hands-free convenience and water efficiency. Please read this manual thoroughly before installation and use to ensure proper function and longevity of your product.
Product Overview
The GROHE Baucosmopolitan E faucet combines elegant design with advanced technology for a hygienic and efficient user experience. Key features include:
- Touchless Operation: Infrared sensor automatically turns water on and off.
- Water Efficiency: Water runs for a maximum of 60 seconds per cycle, conserving water.
- Temperature Control: Features a lever for adjusting water temperature.
- GROHE StarLight Finish: Exceptionally durable chrome finish for lasting beauty.
- GROHE Zero: Secure inner waterways ensure lead-free and nickel-free water.
- Long-Life Battery: Includes a 7-year lithium battery (based on 150 uses per day).
- GROHE QuickFix: Designed for faster, easier, hassle-free installation.

Image: Front view of the GROHE Baucosmopolitan E Touchless Electronic Faucet in StarLight Chrome finish.

Image: Diagram highlighting key features of the faucet, including GROHE EcoJoy, Temperature Control, Touchless Hygiene sensor, Long-Life Battery, GROHE QuickFix, and GROHE StarLight finish.
Setup and Installation
Proper installation is crucial for the optimal performance of your faucet. It is recommended that installation be performed by a qualified professional. Before beginning, ensure you have all necessary tools and components.
Components Included:

Image: Contents of the product box, including the faucet body, deck plate, mounting hardware, flexible supply lines, battery pack, and instruction manual.
- Faucet body with integrated sensor and temperature control lever.
- Flexible supply lines (hot and cold).
- Battery pack and battery.
- Mounting hardware (washers, nuts, screws).
- Deck plate (for single-hole or multi-hole sink installations).
- Instruction manual (this document).
Installation Steps (Summary):
- Prepare the Sink: Ensure the mounting surface is clean and clear. If replacing an old faucet, remove it and clean the area.
- Install Deck Plate (if needed): Place the deck plate over the sink holes if your sink has multiple holes or if desired for aesthetic reasons.
- Mount the Faucet: Insert the faucet body through the mounting hole(s). Secure it from underneath the sink using the provided mounting hardware.
- Connect Water Supply: Attach the flexible supply lines from the faucet to your hot and cold water shut-off valves. Ensure connections are tight to prevent leaks.
- Install Battery Pack: Connect the battery pack to the faucet's electrical connector. Secure the battery pack in an accessible location under the sink.
- Test for Leaks and Functionality: Slowly turn on the water supply. Check all connections for leaks. Test the sensor and temperature control.
Refer to the detailed diagrams and step-by-step instructions in the printed manual included with your product for complete installation guidance.
Operating Instructions
Your GROHE Baucosmopolitan E faucet is designed for intuitive, hands-free operation.
Activating Water Flow:
- Simply place your hands within the detection range of the infrared sensor, located on the front of the faucet body.
- The water will begin to flow automatically.
- To stop the water flow, remove your hands from the sensor's range. The water will also automatically stop after a maximum of 60 seconds to conserve water.
Adjusting Water Temperature:
- The faucet is equipped with a temperature control lever located on the side.
- Move the lever towards the blue indicator for colder water.
- Move the lever towards the red indicator for warmer water.
- Adjust the lever to achieve your desired water temperature.

Image: Side view of the GROHE Baucosmopolitan E faucet, clearly showing the temperature control lever with red and blue indicators.
Maintenance
Regular maintenance will help preserve the appearance and functionality of your GROHE faucet.
Cleaning the Finish:
- The GROHE StarLight finish is highly durable and easy to clean.
- Use only a soft cloth and mild soap or a non-abrasive cleaner specifically designed for chrome finishes.
- Wipe the surface gently and rinse thoroughly with clean water.
- Dry with a soft cloth to prevent water spots.
- Do not use abrasive cleaners, scouring pads, ammonia-based cleaners, or cleaners containing bleach, acids, or alcohol, as these can damage the finish.
Sensor Maintenance:
- Keep the infrared sensor clean and free from obstructions. Wipe it gently with a soft, damp cloth.
- Avoid placing reflective objects directly in front of the sensor, as this may interfere with its operation.
Battery Replacement:
- The faucet is powered by a long-life lithium battery. When the battery is low, the faucet's performance may become inconsistent or stop working.
- To replace the battery, locate the battery pack under the sink. Disconnect it, replace the battery according to the markings on the pack, and re-connect.
- Dispose of old batteries responsibly according to local regulations.
Troubleshooting
If you encounter issues with your faucet, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No water flow or inconsistent flow. |
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| Water continuously runs. |
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| Water temperature is incorrect. |
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If the problem persists after attempting these solutions, please contact GROHE customer support or a qualified plumber.
Specifications
Detailed specifications for the GROHE Baucosmopolitan E Touchless Electronic Faucet (Model 36466000):
- Brand: GROHE
- Model: 36466000
- Recommended Uses: Bathroom
- Mounting Type: Deck Mount
- Finish Type: StarLight Chrome
- Material: Metal
- Color: StarLight Chrome
- Number of Handles: 1 (for temperature control)
- Hole Count: 1 (can be used with deck plate for 3-hole sinks)
- Special Feature: Lead Free waterways (GROHE Zero)
- Power Source: Battery-Powered (long-life lithium battery included)
- Operation: Infrared Touchless Sensor
- Water Flow Duration: Max 60 seconds per cycle

Image: Dimensional drawing of the GROHE Baucosmopolitan E faucet, showing Faucet Height (5" / 127mm), Spout Reach (4 7/16" / 112mm), and Clearance (4 1/8" / 105mm).
Warranty and Support
GROHE products are manufactured to the highest quality standards. For specific warranty information regarding your Baucosmopolitan E Touchless Electronic Faucet, please refer to the warranty card included with your product or visit the official GROHE website.
For technical assistance, troubleshooting beyond this manual, or to inquire about replacement parts, please contact GROHE customer support:
- GROHE Official Website: www.grohe.us
- Customer Service: Refer to the website for current contact numbers and hours of operation.
When contacting support, please have your product model number (36466000) and purchase date available.





