1. Introduction
This instruction manual provides essential information for the safe and proper installation, operation, and maintenance of your Duravit Happy D.2 Ceramic 47-1/4" Bathroom Sink, Model 2318120024. Please read this manual thoroughly before beginning installation or use, and retain it for future reference. Adherence to these instructions will ensure optimal performance and longevity of your product.
2. Safety Information
WARNING: Improper installation or use can lead to property damage or personal injury. Always follow local plumbing and building codes.
- Ensure all water supply lines are shut off before beginning installation.
- Heavy item: Exercise caution when lifting and positioning the sink. It is recommended to have assistance.
- Wear appropriate personal protective equipment (e.g., gloves, safety glasses) during installation.
- Verify that the mounting surface or vanity structure can adequately support the weight of the sink and its contents.
- If you are unsure about any part of the installation process, consult a qualified professional plumber or installer.
- This product contains ceramic material. Handle with care to prevent chipping or breakage.
Proposition 65 Warning: This product may expose you to chemicals known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.
3. Package Contents
Carefully unpack the box and ensure all items are present and undamaged. If any parts are missing or damaged, do not proceed with installation and contact customer support.
- Duravit Happy D.2 Ceramic 47-1/4" Bathroom Sink (Model 2318120024)
- Hardware for installation
- Note: Faucet, drain assembly, and vanity cabinet are sold separately unless specified.
4. Specifications
| Feature | Detail |
|---|---|
| Brand | Duravit |
| Model Number | 2318120024 |
| Material | Ceramic |
| Color | White |
| Size | Large (47-1/4" Width) |
| Product Dimensions (D x W x H) | 6.75"D x 47.25"W x 6.75"H |
| Item Weight | 72.1 pounds |
| Installation Type | Vanity Top, Wall-Mount, or Console |
| Hole Count | 1 (for single hole faucets) |
| Drain Type | Pop-Up (rear drain placement) |
| Shape | Rectangular |
5. Setup and Installation
This sink is designed for versatile installation as a vanity top, wall-mounted, or console configuration. Professional installation is highly recommended to ensure proper function and adherence to all plumbing codes.
5.1 Pre-Installation Checklist
- Confirm all package contents are present and undamaged.
- Gather necessary tools (e.g., wrenches, sealant, level, drill, measuring tape).
- Ensure water supply is shut off at the main valve.
- Review local plumbing codes and regulations.
5.2 Installation Steps (General Guidelines)
- Positioning: Determine the desired installation method (vanity, wall-mount, or console). For wall-mount, mark the desired height and mounting points on the wall using the provided templates or technical drawings.
- Mounting: Securely attach any necessary mounting brackets or hardware to the wall or vanity structure. Ensure the mounting is level and capable of supporting the sink's weight.
- Faucet Installation: Install the single-hole faucet into the designated hole on the sink. Follow the faucet manufacturer's instructions for proper sealing and connection.
- Drain Assembly: Install the pop-up drain assembly into the sink's rear drain opening. Apply plumber's putty or sealant as recommended by the drain manufacturer to ensure a watertight seal.
- Sink Placement: Carefully lift and place the sink onto the vanity or secure it to the wall mounting brackets. Ensure it is level and properly aligned.
- Water Connections: Connect the hot and cold water supply lines to the faucet. Connect the drain assembly to the P-trap and waste pipe. Hand-tighten connections, then use a wrench for a final snug fit, being careful not to overtighten.
- Sealing: Apply a bead of silicone sealant around the perimeter of the sink where it meets the wall or vanity, if applicable, to prevent water infiltration.
- Test for Leaks: Slowly turn on the water supply and check all connections for leaks. Run water through the faucet and into the drain to ensure proper drainage and no leaks in the drain assembly.
5.3 Technical Drawings and Dimensions
Refer to the following diagrams for detailed dimensions and installation guidance. All measurements are in millimeters unless otherwise specified.

Figure 5.3.1: Top view technical drawing of the Duravit Happy D.2 sink, showing overall dimensions (1200mm width, 505mm depth) and the single faucet hole placement. The basin length is 1155mm and depth is 345mm. This diagram illustrates the layout for a single faucet installation, consistent with model 2318120024.

Figure 5.3.2: Top view technical drawing of the Duravit Happy D.2 sink, showing overall dimensions (1200mm width, 505mm depth) and the placement for two faucet holes (285mm from center to center for each hole from the center line). The basin length is 1155mm and depth is 345mm. This diagram illustrates the layout for a dual faucet installation, which is not applicable to model 2318120024 (single hole).

Figure 5.3.3: Side view technical drawing of the Duravit Happy D.2 sink, illustrating wall-mount installation. Key dimensions include sink height (170mm), overall height from floor (850mm), and mounting bolt positions (225mm from edge, 280mm apart). This diagram is crucial for planning wall-mounted installations.

Figure 5.3.4: Side view technical drawing of the Duravit Happy D.2 sink, showing installation with a vanity unit. This diagram provides dimensions for the sink's placement relative to a vanity, including a recommended overall height of 900mm from the floor to the top of the sink. It also shows mounting points for the sink to the wall and the vanity.

Figure 5.3.5: Side view technical drawing of the Duravit Happy D.2 sink, showing installation with a vanity unit, similar to Figure 5.3.4 but with slightly different mounting and vanity dimensions. This diagram indicates an overall height of 850mm from the floor to the top of the sink, with specific measurements for plumbing connections and vanity clearance.
5.4 Product Overview Images

Figure 5.4.1: A top-down view of the Duravit Happy D.2 Ceramic Bathroom Sink, showcasing its rectangular shape, single basin, and integrated faucet deck with a single faucet hole. Two chrome faucets are shown installed, along with a central drain opening.

Figure 5.4.2: The Duravit Happy D.2 Ceramic Bathroom Sink integrated into a modern bathroom vanity. The image displays the sink's clean lines and how it complements contemporary bathroom design, positioned above a two-drawer vanity unit with chrome legs. A large mirror and shower area are visible in the background.

Figure 5.4.3: A front-facing view of the Duravit Happy D.2 Ceramic Bathroom Sink installed on a vanity in a bathroom. This perspective highlights the sink's depth and the seamless integration with the vanity cabinet, featuring two drawers. The overall aesthetic is minimalist and functional.

Figure 5.4.4: A side-angle view of the Duravit Happy D.2 Ceramic Bathroom Sink and vanity in a bathroom. This image provides a good sense of the sink's profile and its relationship to the surrounding bathroom elements, including a window with pink curtains and decorative items on a side table.
6. Operation
The Duravit Happy D.2 Bathroom Sink is designed for standard residential use. To operate, simply turn on the faucet to control water flow and temperature. The sink's basin is designed for efficient drainage with its rear drain placement.
- Ensure the pop-up drain is functioning correctly to retain or release water as needed.
- Avoid pouring harsh chemicals or abrasive substances into the sink, as these can damage the ceramic finish or plumbing.
7. Maintenance
Proper maintenance will help preserve the appearance and functionality of your ceramic sink.
- Cleaning: Wipe with a dry cloth regularly to prevent water spots and soap scum buildup. For deeper cleaning, use a soft cloth or sponge with a mild, non-abrasive cleaner specifically designed for ceramic surfaces.
- Avoid Abrasives: Do not use abrasive cleaners, scouring pads, or harsh chemicals (e.g., strong acids, bleach) as these can scratch or damage the ceramic glaze.
- Stain Removal: For stubborn stains, a paste of baking soda and water can be gently applied and rinsed.
- Drain Care: Periodically clean the drain assembly to prevent clogs. Avoid disposing of hair, grease, or large debris down the drain.
8. Troubleshooting
This section addresses common issues you might encounter. For problems not listed here, contact customer support or a qualified plumber.
| Problem | Possible Cause | Solution |
|---|---|---|
| Water Leakage | Loose connections at faucet, drain, or supply lines; damaged seals. | Tighten all connections. Inspect and replace worn or damaged washers/seals. Apply plumber's tape or sealant as needed. |
| Slow Drainage | Clog in the drain or P-trap. | Remove and clean the pop-up drain stopper. Disassemble and clean the P-trap. Avoid chemical drain cleaners if possible, as they can damage plumbing. |
| Faucet Drips/Leaking | Issue with the faucet itself, not the sink. | Refer to your faucet's instruction manual or contact the faucet manufacturer for troubleshooting. |
| Sink Surface Stains | Mineral deposits from hard water; residue from soap or personal care products. | Clean regularly with a mild ceramic cleaner. For mineral deposits, use a vinegar solution (diluted) and rinse thoroughly. |
9. Warranty and Support
This Duravit product is covered by a 5 Year Limited Warranty. This warranty covers defects in material and workmanship under normal use and service. For specific terms and conditions, please refer to the warranty documentation included with your purchase or visit the official Duravit website.
For technical assistance, replacement parts, or warranty claims, please contact Duravit customer support. When contacting support, please have your model number (2318120024) and date of purchase available.
Manufacturer: Duravit
Website: www.duravit.us (Example link, actual link may vary)







