Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your GROHE Rainshower 310 Mono Shower Head. Designed for a consistent and enjoyable water flow, this shower head incorporates advanced GROHE technologies.

Image: Front view of the GROHE Rainshower 310 Mono Shower Head in Starlight Chrome.
Key Features
- GROHE DreamSpray: Ensures a balanced water flow from every nozzle for an optimal shower experience.
- Speed Clean: Silicone nozzles allow for easy removal of limescale buildup with a simple wipe.
- GROHE StarLight Finish: Provides a durable, tarnish-resistant surface that maintains its appearance over time.
- WaterSense Certified: Operates at a maximum flow rate of 1.75 gallons per minute (GPM), meeting EPA criteria for water efficiency without compromising performance.
- Durable Construction: Features a robust metal construction designed for longevity and resistance to prolonged water contact.

Image: Visual representation of GROHE technologies including DreamSpray and Speed Clean.
Setup and Installation
The GROHE Rainshower 310 Mono Shower Head is designed for ceiling-mounted installation. A detailed installation guide is included with your product. Professional installation is recommended to ensure proper function and adherence to local plumbing codes.
Before You Begin:
- Ensure all necessary tools and components are available.
- Turn off the main water supply to the installation area.
- Review the included installation guide thoroughly.
Installation Steps (General Overview):
- Prepare the ceiling connection point according to the provided guide.
- Apply thread sealant to the shower arm threads.
- Securely attach the shower arm to the ceiling water supply.
- Attach the GROHE Rainshower 310 Mono Shower Head to the shower arm, ensuring a tight seal.
- Carefully turn on the main water supply and check for leaks.
For specific diagrams and detailed instructions, refer to the "Installation Guide" included in your product packaging.
Operating Instructions
The GROHE Rainshower 310 Mono Shower Head provides a single, consistent spray pattern designed to mimic a natural rain shower. To operate, simply turn on your shower's water supply using the existing shower mixer or valve. The shower head will immediately begin delivering water.
- Water Flow: The shower head is engineered to deliver a uniform and full spray, thanks to GROHE DreamSpray technology.
- Temperature Control: Adjust water temperature using your shower's main temperature control.

Image: The shower head in operation, demonstrating the rain spray pattern.
Maintenance and Cleaning
Regular cleaning will help maintain the performance and appearance of your GROHE Rainshower 310 Mono Shower Head. The Speed Clean feature simplifies limescale removal.
Daily Cleaning:
- After each use, wipe the shower head surface with a soft cloth to prevent water spots.
Limescale Removal (Speed Clean):
- The silicone nozzles are designed for easy cleaning. Simply rub your finger across the nozzles to dislodge any limescale buildup.
- For stubborn deposits, use a mild descaling agent specifically designed for bathroom fixtures. Avoid abrasive cleaners or harsh chemicals, as these can damage the StarLight finish.
General Care:
- Clean the entire shower head with a soft cloth and a mild soap solution. Rinse thoroughly with clean water and dry immediately.
- Do not use cleaning agents containing hydrochloric acid, formic acid, chlorine bleach, or acetic acid, as these can cause significant damage.
Troubleshooting
If you encounter issues with your GROHE Rainshower 310 Mono Shower Head, refer to the following common solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Reduced Water Flow | Limescale buildup in nozzles. | Rub the silicone nozzles to remove limescale (Speed Clean). |
| Uneven Spray Pattern | Blocked nozzles or internal debris. | Clean nozzles as described above. If problem persists, consult a plumber. |
| Leaks from Connection | Loose connection or worn sealant. | Ensure the shower head and arm connections are tight. Reapply thread sealant if necessary. |
For issues not listed here, or if problems persist, contact GROHE customer support or a qualified plumber.
Specifications
| Feature | Detail |
|---|---|
| Model Number | 26569000 |
| Brand | GROHE |
| Style | Rainshower 310 Mono, Round |
| Finish Type | Starlight Chrome |
| Material | Metal construction with some plastic components |
| Installation Type | Ceiling Mounted |
| Flow Rate | 1.75 Gallons Per Minute (GPM) |
| Number of Settings | 1 (Mono spray) |
| Product Dimensions | 12-3/16 inches (Width) x 2-1/8 inches (Height) |
| Item Weight | 4.41 pounds |

Image: Dimensional drawing of the shower head, indicating width and height.
Warranty and Support
Your GROHE Rainshower 310 Mono Shower Head comes with a LIMITED warranty. For specific terms and conditions, please refer to the warranty documentation included with your purchase or visit the official GROHE website.
For further assistance, technical support, or to inquire about replacement parts, please contact GROHE customer service. You can also visit the official GROHE Store for more product information and support resources: