Introduction
The Hansgrohe ShowerSelect S Thermostatic Shower Valve Trim provides precise temperature control and easy water flow management for your shower system. Designed for comfort and style, this concealed unit allows you to switch between different shower outlets with a simple touch of a button. This manual provides essential information for installation, operation, maintenance, and troubleshooting to ensure optimal performance and longevity of your product.

Image: Hansgrohe ShowerSelect S Thermostatic Shower Valve Trim in Brushed Nickel, showcasing its modern design.
Setup and Installation
Proper installation is crucial for the functionality and safety of your Hansgrohe ShowerSelect S Thermostatic Shower Valve Trim. This trim is designed for installation with the Hansgrohe iBox Universal. It is recommended that installation be performed by a qualified professional.
Installation Overview
The installation process involves preparing the iBox Universal, securing the trim plate, and connecting the handles and buttons. Ensure the water supply is shut off before beginning any installation work.
Video: Official Hansgrohe ShowerSelect Trim Installation Guide. This video demonstrates the steps for installing the ShowerSelect trim onto the iBox Universal, including preparing the valve, securing the trim, and calibrating the temperature safety stop.
Key Installation Steps (Refer to full instructions for details):
- Prepare the iBox Universal: Ensure the iBox Universal rough-in valve is correctly installed and secured within the wall according to its specific instructions.
- Shut Off Water Supply: Use the built-in service stops on the iBox Universal to shut off the water supply. This typically involves turning the stops with a 4mm Allen wrench.
- Remove Protection Cover: Carefully remove any temporary protection covers from the iBox.
- Install Mounting Plate: Attach the mounting plate to the iBox, ensuring it is flush with the finished wall surface.
- Install Function Block: Insert the function block into the iBox.
- Secure Trim Plate: Fasten the trim plate to the mounting plate using the provided screws.
- Install Handles and Buttons: Attach the temperature control handle and the diverter buttons. Apply white grease to the moving parts as instructed. Select the appropriate buttons based on your shower configuration (e.g., hand shower, overhead shower).
- Calibrate Safety Stop: Calibrate the temperature safety stop to your desired maximum temperature (e.g., 100°F or 38°C) using a thermometer and a 2.5mm Allen wrench.
- Turn On Water Supply: Reopen the built-in service stops to restore water flow.
Operating Instructions
The Hansgrohe ShowerSelect S Thermostatic Shower Valve Trim offers intuitive control over your showering experience.
Temperature Control
- Adjusting Temperature: Rotate the main handle to adjust the water temperature. Red indicates hotter water, and blue indicates colder water.
- Safety Stop: The integrated SafetyStop feature prevents accidental scalding by limiting the maximum temperature. To exceed the default 100°F (38°C) setting, press the small button on the handle while rotating.
Diverter Function (Select Buttons)
- Activating Outlets: Press the desired Select button to turn on or off a specific shower outlet (e.g., overhead shower, hand shower).
- Multiple Outlets: Depending on your installation, you may be able to activate multiple outlets simultaneously by pressing their respective buttons.
Video: Hansgrohe ShowerSelect S Product Video. This video demonstrates the ease of use of the ShowerSelect system, highlighting the push-button control for different spray types and outlets, and the thermostatic temperature adjustment.
Maintenance
Regular maintenance ensures the longevity and optimal performance of your Hansgrohe ShowerSelect S Thermostatic Shower Valve Trim.
- Cleaning: Clean the trim regularly with a soft cloth and a mild, non-abrasive cleaner. Avoid harsh chemicals, abrasive pads, or cleaners containing alcohol, ammonia, or bleach, as these can damage the finish.
- Mineral Deposits: For areas with hard water, mineral deposits may accumulate. Use a solution of white vinegar and water to gently remove these deposits, then rinse thoroughly and dry.
- Cartridge Maintenance: If you experience consistent temperature fluctuations or reduced flow, the thermostatic cartridge may require cleaning or replacement. Consult a professional plumber for this service.
Troubleshooting
If you encounter issues with your shower valve trim, refer to the following common troubleshooting steps. For complex problems, contact a qualified plumber or Hansgrohe customer support.
| Problem | Possible Cause | Solution |
|---|---|---|
| Inconsistent Water Temperature |
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| Low Water Flow |
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| Water Not Turning On/Off Properly |
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Specifications
| Feature | Detail |
|---|---|
| Brand | Hansgrohe |
| Model Number | 15743821 |
| Material | Brass (internal components), Acrylonitrile Butadiene Styrene (ABS) (trim plate) |
| Color | Brushed Nickel |
| Style | Modern |
| Product Dimensions (L x W x H) | 2.13 x 5.91 x 5.91 inches |
| Item Weight | 3.49 pounds |
| Number of Handles | 1 (for temperature control) |
| Number of Ports | 2 (for outlets) |
| Installation Method | Thermostatic Trim (requires iBox Universal rough-in) |
| Special Features | Durable, Easy to Install, Temperature Control, Diverter, SafetyStop |
| Included Components | Trim Plate, Handle, Mounting Block, Function Block, Escutcheon |
Warranty and Support
Warranty Information
Hansgrohe, Inc. provides a warranty to the original consumer purchaser. Hansgrohe products are warranted to be free from defects in material and workmanship for as long as the original consumer purchaser owns both the product and the home in which it was originally installed. For commercial purchasers, the warranty period is one (1) year from the date of purchase. Products with Rubbed Bronze, Matte Black, or Matte White finishes have a three (3) year warranty from the date of purchase. This warranty is non-transferable.
Note: This warranty does not cover Hansgrohe products purchased from unauthorized sellers. Authorized sellers can be found on Hansgrohe branded websites. Additional warranty restrictions apply; please refer to the manufacturer's website for full warranty details.
Customer Support
For technical assistance, replacement parts, or warranty claims, please contact Hansgrohe customer support. You can find contact information on the official Hansgrohe website.






