1. Product Overview
The Hayward Navigator Pro W3925ADC is an automatic suction-side pool cleaner designed for inground gunite pools up to 20 x 40 ft. It utilizes patented SmartDrive® technology for systematic cleaning of the pool floor, walls, and coves. The cleaner connects directly to your pool's filtration system, offering quick setup and continuous suction without requiring a booster pump. Its wide vacuum inlet and unique wing design efficiently capture dirt and debris. The Navigator Pro operates quietly, contributing to a peaceful backyard environment, and eliminates the need for debris bags, simplifying maintenance.
Key Features:
- SmartDrive Programmed Steering: Uses preset turns to systematically clean pool floor, walls, and coves.
- Maximum Cleaning Efficiency: Vacuum wings and skirt design ensure effective debris suction.
- Silent Operation: Operates quietly for an undisturbed pool environment.
- Easy Setup: Connects to pool's suction port or skimmer without tools, using existing filtration.
- Durable and Reliable: Constructed with quality materials for long-term operation.

Figure 1: Hayward Navigator Pro W3925ADC Automatic Pool Vacuum.
2. Safety Information
Always read and follow all instructions carefully before operating this product. Failure to do so may result in injury or property damage. Keep children and pets away from the pool area during operation. Ensure the pool pump is off before connecting or disconnecting the cleaner. Do not operate the cleaner if any parts are damaged or missing. For outdoor use only.
3. Package Contents
Verify that all items listed below are included in your package:
- 1 x Hayward W3925ADC Navigator Pro Pool Vacuum (Automatic Pool Cleaner)
- Hose (12 pieces for a total length of 40 ft.)
- Hose Cone Adapter
- Pressure Gauge
- Regulator Valve

Figure 2: Included accessories for the Navigator Pro pool cleaner.
4. Setup & Installation
The Hayward Navigator Pro is designed for self-installation, typically taking less than 10 minutes. No special tools are required.
- Connect the Hayward Navigator Pro Suction Pool Cleaner to your pool's skimmer or a dedicated suction port.
- Ensure the hose is properly assembled and connected to the cleaner and the suction point.
- Submerge the cleaner and hose into the pool, allowing it to fill with water and sink to the bottom.
- Turn on your pool's filtration system. The cleaner will begin to move around the pool floor, walls, and coves.
- For best results, ensure the hose is properly secured and untangled during operation to prevent interruptions in cleaning.

Figure 3: Quick installation of the Navigator Pro by connecting to the filtration system.
Video 1: Demonstrates the ease of installation for the Hayward Navigator Pro pool cleaner.
5. Operating Instructions
Once installed, the Navigator Pro will systematically travel the pool floor, walls, and coves using its SmartDrive programmed steering. Ensure the hose is properly secured and untangled to allow for optimal movement and cleaning coverage. The unit operates silently, providing efficient cleaning without disruption. The cleaner is designed to cover the entire pool area up to 20' x 40' with its 40-foot hose.

Figure 4: The Navigator Pro providing complete coverage of pool floors, walls, and coves.

Figure 5: Illustration of the Navigator Pro's superior suction capability for debris.
6. Maintenance
Proper maintenance ensures the longevity and optimal performance of your Hayward Navigator Pro.
- After Each Use: Rinse off any residual chlorinated water from the cleaner.
- Storage: Dry the unit thoroughly and store it in a cool, dry place when not in use for extended periods.
- Debris Check: Regularly check the vacuum inlet and internal mechanisms for any accumulated debris and clear as needed.
- Wear Parts Inspection: Inspect the shoes, rollers, and wings for signs of wear. Replace these parts if they appear worn to maintain efficient movement and cleaning.

Figure 6: Underside view of the Navigator Pro, highlighting components for maintenance inspection.
7. Troubleshooting
If your Hayward Navigator Pro is not operating as expected, consider the following common issues:
- Poor Suction: Ensure your pool pump is operating correctly and the skimmer basket is clear. Check all hose connections for air leaks.
- Unit Not Moving: Verify that the hose is not tangled or kinked. Check the internal turbine for obstructions. Ensure adequate water flow through the system.
- Incomplete Coverage: Adjust the hose length to match your pool size. Ensure the regulator valve is set correctly to optimize flow.
- Stuck in One Area: Check the shoes and wings for wear. Worn parts can affect the unit's ability to navigate.
For more detailed troubleshooting steps and solutions, please refer to the comprehensive product manual available on the Hayward website or contact customer support.
8. Specifications
| Feature | Detail |
|---|---|
| Brand | Hayward |
| Model Name | Navigator Pro |
| Model Number | W3925ADC |
| Material | Plastic |
| Color | White |
| Product Dimensions (L x W x H) | 13.6" x 12" x 8.5" |
| Power Source | Hydraulic Powered |
| Special Features | Lightweight, Self Propelled |
| Control Method | Touch |
| Efficiency | High |
| Item Weight | 5.08 Pounds |
| Hose Length | 480 Inches (40 feet) |
| Pool Size Compatibility | Up to 20' x 40' |
| Required Assembly | No |
| Assembly Time | 10 Minutes |
| Installation Type | Self-installation |
9. Warranty & Support
The Hayward Navigator Pro W3925ADC comes with a limited manufacturer's warranty.
- Manufacturer Warranty: 1-Year Limited Warranty.
- Labor Coverage: Covers labor costs for 2 years.
For warranty claims, technical assistance, or further support, please contact Hayward customer service or visit the official Hayward website. Ensure you have your model number (W3925ADC) and proof of purchase available.





