Dyson WD04
Dyson Airblade Wash+Dry Hand Dryer Instruction Manual
Model: WD04 | Brand: Dyson
Product Overview
The Dyson Airblade Wash+Dry hand dryer integrates hand washing and drying technology into a single tap, offering a touch-free and hygienic solution for commercial washrooms. This innovative system eliminates the need for users to move to a separate drying area, reducing water drips on the floor and optimizing space.
Key features include:
- HEPA filter captures 99.97% of particles as small as 0.3 microns from the air.
- Touch-free operation for enhanced hygiene.
- Fast 14-second dry time.
- Up to 98% less expensive to run than single-use paper towels.
- Automatically switches from water to air for seamless washing and drying at the sink.
- Automatic water flush activates after 24 hours to help reduce water stagnation.
- Space-saving design.
- Certified for use in food preparation environments by HACCP International.

Figure 1: The Dyson Airblade Wash+Dry Hand Dryer, featuring a central faucet and two side arms for air drying, integrated into a sink.
Setup
Installation of the Dyson Airblade Wash+Dry hand dryer should be performed by a qualified professional in accordance with local plumbing and electrical codes. The unit requires a 120V electrical supply.
Before initial use, ensure the HEPA filter is correctly installed and secured. Refer to the detailed installation guide provided with the product for specific wiring and plumbing instructions.

Figure 2: A detailed view of the Dyson Airblade Wash+Dry unit, showcasing its sleek stainless steel design and integrated sensors.
Operating Instructions
The Dyson Airblade Wash+Dry system is designed for intuitive, touch-free operation.
Washing Hands:
- Position your hands directly under the central faucet.
- Sensors will detect your hands, and water will automatically dispense.
- Wash your hands thoroughly with soap (if provided separately).
- Remove your hands from under the faucet; the water flow will stop automatically.
Drying Hands:
- Move your wet hands to either side of the central faucet, positioning them under the drying arms.
- High-velocity air will automatically activate to dry your hands.
- Keep your hands close to the tap arms and move them slowly to ensure complete drying.
- The air will cease once your hands are removed or after the preset drying cycle (approximately 14 seconds).
The touch-free design minimizes the spread of germs, contributing to a more hygienic washroom environment.
Maintenance
Regular maintenance ensures optimal performance and longevity of your Dyson Airblade Wash+Dry hand dryer.
Filter Maintenance:
The integrated HEPA filter requires periodic inspection and replacement to maintain air quality and drying efficiency. Consult the product's full manual for recommended replacement intervals and instructions.
Automatic Water Flush:
The unit features an automatic water flush function that activates after 24 hours of inactivity. This helps prevent water stagnation within the system, maintaining water quality and hygiene.
Cleaning:
Clean the stainless steel surfaces regularly with a soft, damp cloth and mild, non-abrasive cleaner. Avoid harsh chemicals or abrasive materials that could damage the finish or sensors. Ensure the sensor areas are kept clear of obstructions.
Troubleshooting
If you encounter issues with your Dyson Airblade Wash+Dry hand dryer, consider the following common troubleshooting steps:
- No Water Flow: Ensure the water supply is turned on. Check for any obstructions in the faucet outlet. Verify that hands are positioned correctly within the sensor's range.
- No Air Flow: Ensure hands are positioned correctly under the drying arms. Check for any obstructions in the air outlets. Verify the unit is receiving power.
- Slow Drying: This may indicate a clogged HEPA filter. Inspect and replace the filter if necessary. Ensure the air outlets are clear.
- Intermittent Operation: Clean the sensors to ensure they are free from dirt or residue. Ensure stable power supply.
For persistent issues or complex repairs, please contact Dyson customer support or a certified service technician.
Specifications
| Feature | Detail |
|---|---|
| Model Number | WD04 |
| Voltage | 110 Volts |
| Material | Stainless Steel |
| Item Weight | 13.4 pounds |
| Product Dimensions (D x W x H) | 11.25" x 11.94" x 6.25" |
| Sound Level | 85 dB |
| Dry Time | 14 seconds |
| Filter Type | HEPA (captures 99.97% of particles as small as 0.3 microns) |
| Certification | HACCP International, ETL |
Warranty and Support
The Dyson Airblade Wash+Dry hand dryer comes with a 5-year warranty, covering parts and labor for defects in materials and workmanship under normal use.
For warranty claims, technical support, or to purchase replacement parts (such as HEPA filters), please contact Dyson customer service. You can find contact information on the official Dyson website or through your product documentation.
For calculations regarding running costs, visit www.dyson.com/calcs.
Ask a question about this manual
Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.







