Introduction
This manual provides essential information for the installation, operation, and maintenance of your GROHE 33170003 Plus single-handle bathroom faucet. The GROHE Plus faucet combines a modern design with functional features, engineered for comfort and convenience. It features GROHE SilkMove for smooth handle operation and a durable GROHE StarLight coating for lasting beauty.

This image displays the GROHE 33170003 Plus single-handle bathroom faucet in Starlight Chrome finish, showcasing its modern design and sleek lines.
Installation
The GROHE 33170003 faucet is designed for single-hole, deck-mount installation. Ensure your sink or countertop has a single faucet hole with adequate clearance for the faucet body and handle operation.
Pre-Installation Checks
- Verify that all components are present in the packaging.
- Ensure the mounting surface is clean, dry, and level.
- Turn off the main water supply before beginning installation.
Mounting the Faucet
- Insert the faucet body into the single hole on the sink or countertop.
- From underneath the counter, secure the faucet using the provided mounting hardware. Ensure the faucet is properly aligned before tightening.
Connecting Water Lines
- Connect the hot and cold water supply lines to the corresponding inlets on the faucet. Use appropriate thread sealant or plumber's tape as required.
- Connect the other ends of the supply lines to the hot and cold water stops.
Drain Assembly
Install the included drain assembly according to its specific instructions. Note that the drain connection size is 1.25 inches. Ensure compatibility with your existing P-trap or acquire a suitable adapter if necessary.
Final Steps
- Once all connections are secure, slowly turn on the main water supply.
- Check for any leaks at all connection points. Tighten connections as needed.
- Remove the aerator and flush the faucet for a few minutes to clear any debris from the water lines. Reinstall the aerator.
Operating Instructions
The GROHE 33170003 faucet features a single lever handle for controlling both water flow and temperature.
Water Flow and Temperature Control
- Flow Control: Lift the lever handle upwards to increase water flow. Push it downwards to decrease or shut off the flow.
- Temperature Control: Move the lever handle to the left for hot water and to the right for cold water. Adjust the position between left and right to achieve the desired water temperature.
GROHE SilkMove Technology
The integrated GROHE SilkMove cartridge ensures smooth and precise control of water flow and temperature with minimal effort, providing a comfortable user experience.
GROHE AquaGuide
The faucet is equipped with GROHE AquaGuide, allowing you to adjust the water flow angle to eliminate splashing and suit your specific sink basin.
GROHE EcoJoy
This faucet incorporates GROHE EcoJoy technology, designed to reduce water consumption by up to 50% without compromising performance or comfort.

This image highlights key features of the GROHE 33170003 faucet, including GROHE SilkMove for smooth operation, AquaGuide for adjustable water flow, QuickFix for easy installation, StarLight durable coating, and EcoJoy for water efficiency.
Care and Maintenance
Proper care and maintenance will ensure the longevity and appearance of your GROHE faucet.
Cleaning the Starlight Chrome Finish
- The GROHE StarLight chrome finish is designed for durability and easy cleaning.
- Clean the faucet regularly with a soft cloth and mild soap or a non-abrasive cleaner specifically designed for chrome finishes.
- Avoid using abrasive cleaners, scouring pads, or harsh chemicals (e.g., ammonia, bleach, or acid-based cleaners) as these can damage the finish.
- Rinse thoroughly with clean water after cleaning and dry with a soft cloth to prevent water spots.
Aerator Maintenance
If water flow decreases or becomes irregular, the aerator may be clogged. Unscrew the aerator from the spout, clean any debris or mineral deposits, and rinse thoroughly before reattaching.
Troubleshooting
This section addresses common issues you might encounter with your faucet.
| Problem | Possible Cause | Solution |
|---|---|---|
| Low water flow | Clogged aerator; partially closed water stop; debris in supply lines. | Clean aerator; ensure water stops are fully open; flush supply lines. |
| Leaking at connections | Loose connections; worn washers/gaskets. | Tighten connections; replace washers/gaskets if damaged. |
| Handle stiffness or difficulty adjusting temperature | Debris in cartridge; worn cartridge. | Contact customer support for cartridge inspection or replacement. |
| Water temperature inconsistent | Water heater issues; cross-connection in plumbing. | Check water heater settings; consult a plumber for plumbing issues. |
If you are unable to resolve an issue using the troubleshooting steps above, please contact GROHE customer support or a qualified plumber.
Specifications
- Brand: GROHE
- Model Number: 33170003
- Product Name: Plus Single-Handle Bathroom Faucet
- Finish Type: Starlight Chrome
- Mounting Type: Deck Mount
- Hole Count: 1
- Number of Handles: 1
- Handle Type: Lever
- Handle Material: Ceramic
- Recommended Uses: Bathroom
- Special Feature: Durable
- Included Components: Faucet, Instruction Manual
Dimensions

This diagram provides detailed dimensions for the GROHE 33170003 faucet, including a spout reach of 4 3/8 inches (111 mm), a faucet height of 6 3/4 inches (172 mm), and a clearance of 4 1/8 inches (105 mm).
- Spout Reach: 4 3/8 inches (111 mm)
- Faucet Height: 6 3/4 inches (172 mm)
- Clearance: 4 1/8 inches (105 mm)
Warranty Information
This GROHE product is covered by a limited manufacturer's warranty. For specific terms, conditions, and duration of the warranty, please refer to the warranty documentation included with your purchase or visit the official GROHE website. Keep your proof of purchase for warranty claims.
Customer Support
For further assistance, technical support, or to inquire about replacement parts, please contact GROHE customer service. You can find contact information on the official GROHE website or within the product packaging.
Visit the official GROHE Store for more information: GROHE Store







