Introduction
This manual provides detailed instructions for the installation, operation, maintenance, and troubleshooting of your GROHE SmartControl Concealed Mixer, Model 29149000. Please read this manual thoroughly before installation and use to ensure proper function and safety. Keep this manual for future reference.
The GROHE SmartControl Concealed Mixer offers precise control over water flow and temperature for up to three shower outlets, featuring an intuitive push-button and twist operation. Its durable construction and advanced technology ensure a comfortable and reliable showering experience.
Safety Information
Important: Always observe local building and plumbing codes during installation. If you are unsure about any part of the installation process, consult a qualified professional.
- Ensure the main water supply is turned off before beginning any installation or maintenance work.
- Protect the product from frost.
- Use only genuine GROHE spare parts for repairs.
- This product is designed for domestic use.
- The anti-scalding technology helps prevent excessively hot water, but always test water temperature before use, especially for children or individuals with sensitive skin.
Package Contents
Verify that all components are present before starting installation:
- GROHE SmartControl Concealed Mixer (Finishing Set)
- 3 Valves
- Metal Wall Rosette
- Mounting Hardware
- Installation Instructions (this manual)
Note: The rough-in set (GROHE Rapido SmartBox 35 600 000) is sold separately and is required for installation.
Setup and Installation
This section outlines the general steps for installing the GROHE SmartControl Concealed Mixer. Professional installation is recommended.
Prerequisites:
- The GROHE Rapido SmartBox (Model 35 600 000) must be pre-installed in the wall.
- Ensure water supply lines are flushed and free of debris.
Installation Steps:
- Prepare the Rough-in Box: Ensure the Rapido SmartBox is correctly installed and secured within the wall, with all connections ready.
- Mount the Functional Unit: Carefully align the functional unit of the SmartControl mixer with the Rapido SmartBox. Secure it using the provided screws.
- Connect Water Outlets: Connect the three valves to your desired shower outlets (e.g., hand shower, head shower, side jets). The mixer allows for simultaneous use of multiple outlets.
- Install the Wall Rosette: Place the metal wall rosette over the functional unit. The GROHE QuickFix system allows for concealed rosette and shaft sealing, and the rosette can be adjusted by +/- 6 degrees for perfect alignment. Secure the rosette.
- Attach Control Buttons and Knobs: Install the SmartControl push-buttons and the volume control knob. Ensure they are securely fitted.
- Test Functionality: Turn on the main water supply. Check for leaks and test the operation of each button and the volume control. Verify temperature mixing.

Image: Technical diagram illustrating the dimensions and concealed installation of the SmartControl mixer. Dimensions are approximately 158mm square with a depth of 10mm from the wall surface and 43mm for the internal mechanism.

Image: An example of the GROHE SmartControl Concealed Mixer installed in a contemporary shower environment, demonstrating its sleek, flush-mounted appearance alongside a square shower head and hand shower.
Operating Instructions
The GROHE SmartControl system provides intuitive control over your showering experience.
Basic Operation:
- Turn On/Off: Press one of the three buttons to turn on the corresponding water outlet (e.g., head shower, hand shower, side jets). Press the button again to turn it off.
- Adjust Volume: Once an outlet is active, rotate the outer ring of the corresponding button to adjust the water volume from a gentle spray to a powerful stream.
- Adjust Temperature: The central knob controls the water temperature. Rotate it to achieve your desired temperature. The integrated cartridge ensures precise temperature mixing.
- Multiple Outlets: You can activate and control multiple outlets simultaneously by pressing their respective buttons and adjusting their volumes.

Image: Close-up view of the GROHE SmartControl Concealed Mixer's control panel, showing the three square push-buttons for activating water outlets and the central round knob for temperature adjustment.
Maintenance
Proper care and maintenance will ensure the longevity and optimal performance of your GROHE SmartControl mixer.
Cleaning:
- Clean the mixer with a soft cloth and mild soap. Avoid abrasive cleaners, scouring pads, or solvents, as these can damage the GROHE StarLight chrome finish.
- Rinse thoroughly with clean water after cleaning and dry with a soft cloth to prevent water spots.
- For limescale deposits, use a mild descaling agent specifically designed for bathroom fixtures, following the manufacturer's instructions.
General Care:
- Regularly check for any signs of leaks around the wall rosette.
- Ensure the control buttons and temperature knob operate smoothly. If they become stiff, contact customer support.
Troubleshooting
If you encounter issues with your GROHE SmartControl mixer, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No water flow or low pressure. |
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| Water temperature is inconsistent or incorrect. |
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| Leaking from the wall rosette. |
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| Buttons or knob are stiff or difficult to operate. |
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If the problem persists after attempting these solutions, please contact GROHE customer support or a certified plumber.
Specifications
| Feature | Detail |
|---|---|
| Model Number | 29149000 |
| Brand | GROHE |
| Product Type | SmartControl Concealed Mixer |
| Design | Square Rosette |
| Number of Valves | 3 (for 3 users/outlets) |
| Finish Type | Chrome (GROHE StarLight) |
| Material | Metal |
| Control Type | SmartControl (Push-button On/Off, Twist for Volume) |
| Temperature Control | Thermostatic Cartridge |
| Anti-Scalding Technology | Yes |
| Water Saving Technology | Yes |
| Flow Rate (Outlet A) | 22 l/min |
| Flow Rate (Outlet B) | 26 l/min |
| Flow Rate (Outlet C) | 22 l/min |
| Mounting Type | Concealed (requires GROHE Rapido SmartBox 35 600 000) |
| Product Dimensions | 7.09 x 13.58 x 5.79 inches (approx. 18 x 34.5 x 14.7 cm) |
| Item Weight | 3.05 pounds (approx. 1.39 kg) |
Warranty
The GROHE SmartControl Concealed Mixer (Model 29149000) is covered by a 5 Year Manufacturer's Warranty. This warranty covers defects in materials and workmanship under normal use and service. Please retain your proof of purchase for warranty claims.
For full terms and conditions of the warranty, please refer to the official GROHE website or contact GROHE customer support.
Support
For technical assistance, spare parts, or warranty inquiries, please contact GROHE customer support:
- Website: Visit the official GROHE website for support resources, FAQs, and contact information. www.grohe.com
- Customer Service: Refer to the contact details provided on the GROHE website for your specific region.
When contacting support, please have your product model number (29149000) and date of purchase readily available.





