1. Introduction
This manual provides essential information for the safe and effective use of your YAMATIC Pressure Washer Gun and Hose Kit. This kit is designed to enhance your pressure washing experience with its durable components and versatile features. Please read this manual thoroughly before assembly or operation.
2. Safety Information
- Always wear appropriate personal protective equipment, including eye protection, during operation.
- Ensure all connections are secure before starting the pressure washer to prevent leaks.
- Never aim the spray gun at people, animals, or electrical equipment.
- This kit is designed for use with pressure washers, not standard garden hoses.
- Refer to your pressure washer machine's instruction manual for specific safety guidelines related to the power unit.
- Disconnect and drain the system after each use to prevent damage.
3. Package Contents
Verify that all items listed below are included in your package:
- 1 x Pressure Washer Gun
- 1 x 25 FT Kink Resistant Pressure Washer Hose (3200 PSI)
- 2 x Adjustable Extension Lances
- 5 x Quick-Connect Spray Nozzles (0°, 15°, 25°, 40°, Soap)
- 1 x 3/8" Swivel Quick Connector
- 1 x M22-14mm Fitting
- 1 x Roll of Teflon Tape

Image 3.1: All components of the YAMATIC Pressure Washer Gun and Hose Kit, including the gun, hose, extension lances, and various nozzles.
4. Assembly Instructions
Follow these steps to assemble your pressure washer gun and hose kit:
- Connect Hose to Pressure Washer: Apply Teflon tape to the threads of the M22-14mm fitting. Connect one end of the 25 FT pressure washer hose to your pressure washer's outlet using the M22-14mm fitting. Ensure a tight, leak-free connection.
- Connect Hose to Gun: Connect the other end of the pressure washer hose to the inlet of the pressure washer gun. The 3/8" swivel quick connector allows for flexible movement and helps prevent hose kinking during use.
- Attach Extension Lances: The kit includes two adjustable extension lances. You can configure them into three different lengths by attaching one or both lances to the gun. Simply push and twist to secure them.
- Select and Attach Nozzle: Choose the desired quick-connect spray nozzle (see Section 5 for nozzle selection) and insert it into the end of the extension lance until it clicks securely into place.
Video 4.1: This video demonstrates the assembly and various uses of the YAMATIC Swivel Pressure Washer Gun and Wand Kit, including connecting components and adjusting length.
5. Operating Instructions
Proper operation ensures efficient cleaning and extends the life of your equipment.
5.1 Nozzle Selection
The kit includes five quick-connect spray nozzles, each designed for specific cleaning tasks:
- 0° (Red): Pin-point jet for intense cleaning of small, tough spots. Use with extreme caution.
- 15° (Yellow): Narrow, high-pressure spray for stubborn dirt on hard surfaces.
- 25° (Green): Medium-angle spray for general cleaning of most surfaces.
- 40° (White): Wide-angle spray for gentle cleaning of delicate surfaces.
- Soap (Black): Low-pressure, wide-angle spray for applying detergents.
Always test the spray pattern on an inconspicuous area first to avoid damage.
5.2 Adjustable Length
Utilize the two extension lances to adjust the length of your spray gun. This allows for versatile cleaning, from reaching high areas like roofs to tackling ground grime effortlessly.

Image 5.1: The pressure washer gun shown with various adjustable lengths, demonstrating its versatility for different cleaning tasks.
5.3 Swivel Quick Connector
The integrated 3/8" swivel quick connector at the gun's inlet allows the hose to rotate freely under pressure. This feature prevents the hose from kinking, providing greater flexibility and maneuverability during use.

Image 5.2: A close-up of the pressure washer gun's 360-degree swivel connector, highlighting its ability to rotate and prevent hose kinking.
5.4 Easy Pull Trigger
The gun features an easy-pull trigger designed for reduced fatigue during extended use. It requires minimal tension to keep it held, enhancing user comfort.

Image 5.3: The pressure washer gun's easy-pull trigger, designed for comfortable and prolonged use with minimal effort.

Image 5.4: A person demonstrating the use of the pressure washer gun to clean a concrete surface, showing the effective spray pattern.
6. Maintenance
Regular maintenance ensures optimal performance and longevity of your YAMATIC kit.
- After Each Use: Disconnect the hose from both the pressure washer and the gun. Drain any remaining water from the hose and gun to prevent freezing in cold weather and to prolong component life.
- Check Fittings and O-rings: Periodically inspect all fittings and O-rings for wear or damage. Replace any worn parts to prevent leaks and maintain pressure. Use Teflon tape on threaded connections as needed.
- Nozzle Cleaning: If a nozzle becomes clogged, use the included nozzle cleaning tool or a thin wire to clear any debris.
- Storage: Store the pressure washer gun, hose, and accessories in a clean, dry place, away from direct sunlight and extreme temperatures. Coil the hose neatly to prevent kinks.
7. Troubleshooting
Refer to this section for common issues and their solutions.
- Issue: Water Leaks from Connections.
Solution: Ensure all fittings are tightened securely. Check O-rings for damage or displacement and replace if necessary. Apply Teflon tape to threaded connections. - Issue: Low Water Pressure.
Solution: Verify that your water supply is fully open and free of obstructions. Check the pressure washer hose for kinks or blockages. Ensure the selected nozzle is not clogged. - Issue: Hose Kinking.
Solution: The 3/8" swivel quick connector is designed to minimize kinking. Ensure it is properly connected and free to rotate. Uncoil the hose completely before use.
8. Specifications
| Feature | Specification |
|---|---|
| Model Number | GUN AHP3KA |
| Max Pressure (Gun) | 4000 PSI |
| Max Pressure (Hose) | 3200 PSI |
| Hose Length | 25 Feet |
| Hose Inlet/Outlet | M22-14mm |
| Gun Inlet | 3/8" Swivel Quick Connector |
| Nozzle Connection | 1/4" Quick-Connect |
| Materials | Shockproof reinforced material (gun), Solid brass components, Stainless steel wand |
| Item Weight | 6 pounds |
| Product Dimensions | 300 x 0.3 x 0.04 inches |

Image 8.1: Visual representation of the kit's premium features including high pressure capability, kink resistance, and heavy-duty brass components.

Image 8.2: A comparison highlighting the superior quality of the stainless steel wand, solid brass gun connector, and standard M22 connector included in the kit.
9. Warranty and Support
YAMATIC is committed to providing quality products and customer satisfaction. If you encounter any item or technical problems with your pressure washer gun and hose kit, please do not hesitate to contact our customer service team. We offer 7x24 hours of customer service to assist you.
For additional products and support, please visit the YAMATIC Power Center Store.