Introduction
This manual provides instructions for the safe and effective use of the Sun Joe SPX-25HD 25 Ft Heavy-Duty Pressure Washer Extension Hose. This hose is designed to extend the reach of compatible pressure washers, allowing for greater flexibility during cleaning tasks. Please read this manual thoroughly before installation and operation to ensure proper use and to prevent potential hazards.

Image: The Sun Joe SPX-25HD 25 Ft Heavy-Duty Pressure Washer Extension Hose, coiled, showing both connector ends.
Important Safety Instructions
Always observe basic safety precautions when using this product to reduce the risk of injury or damage.
- Relieve Pressure: Always relieve all water pressure from the system before disconnecting the hose or any accessories.
- Secure Connections: Ensure all connections are tight and free from leaks before operating the pressure washer. Loose connections can lead to water spray and reduced performance.
- Inspect Hose: Before each use, inspect the extension hose for any signs of damage, such as cuts, abrasions, bulges, or leaks. Do not use a damaged hose; replace it immediately.
- Proper Handling: Avoid kinking or sharply bending the hose during use or storage, as this can damage the internal structure and reduce its lifespan.
- Temperature Limits: Do not expose the hose to temperatures outside its recommended operating range.
- Personal Protective Equipment: Always wear appropriate personal protective equipment, including eye protection, when operating a pressure washer.
- Children and Pets: Keep children and pets away from the work area when the pressure washer is in operation.
Product Specifications
| Specification | Detail |
|---|---|
| Brand | Sun Joe |
| Model Number | SPX-25HD |
| Material | Rubber |
| Color | Black |
| Product Dimensions | 300"L x 0.41"W (25 feet length) |
| Item Weight | 1.65 Pounds |
| Maximum Pressure | 2900 PSI |

Image: Diagram highlighting key features of the Sun Joe SPX-25HD hose, including steel-braided construction, durability, extended reach, and wide compatibility.
Compatibility
The Sun Joe SPX-25HD extension hose is designed with specific connectors to ensure proper fit and function with various pressure washer models.
Compatible Models:
- All Sun Joe SPX series models, except SPX4003 series.
- Most electric and gas pressure washers up to 2,900 PSI with standard M22-15mm connections.
- AR Blue, Stanley, Active, Simoniz, Briggs, and Stratton 020681 pressure washers.
Models Requiring an Adapter (Not Included):
- Karcher K2–K5 series.
- Ryobi 1600/1800/2300 series.
- Simpson/Honda pump gas washers.
- Greenworks GPW series power washers.
If you are uncertain about compatibility, it is recommended to use a 15-to-14 mm adapter for pressure washer guns with 14mm male nubs.

Image: The Sun Joe SPX-25HD hose illustrating its universal compatibility with most SPX series pressure washer models and M22-15mm connections.
Setup and Installation
Follow these steps to properly connect the extension hose to your pressure washer system.
Connecting to the Pressure Washer
- Locate the high-pressure outlet on your pressure washer.
- Thread the female M22-15mm connector of the extension hose onto the pressure washer's outlet.
- Tighten securely by hand. Do not overtighten.
Connecting to the Original Pressure Washer Hose (if extending)
- Locate the male M22-15mm connector on the extension hose.
- Thread the female M22-15mm connector of your original pressure washer hose onto the extension hose's male connector.
- Tighten securely by hand. Do not overtighten.
Video: This video demonstrates the connection process for the Sun Joe SPX-25HD extension hose to a pressure washer and an existing pressure washer hose, illustrating how to achieve extended reach.
Operation
Once the extension hose is securely connected, ensure all connections are tight and free from leaks. Turn on the water supply to the pressure washer, then power on the pressure washer according to its specific operating instructions. The extension hose will now provide an additional 25 feet of reach for your cleaning tasks. Always maintain a firm grip on the spray gun and follow all safety guidelines provided with your pressure washer.
Maintenance
Proper maintenance will prolong the life of your Sun Joe SPX-25HD extension hose.
- After Each Use: Relieve all pressure from the pressure washer system before disconnecting the hose.
- Drain Water: Drain any remaining water from the hose to prevent freezing in cold weather, which can cause damage.
- Storage: Coil the hose neatly for storage to prevent kinks and tangles. Store it in a cool, dry place away from direct sunlight and extreme temperatures.
- Inspection: Regularly inspect the hose for any signs of wear, cuts, abrasions, or leaks. Pay close attention to the connectors. Replace the hose if any damage is found.
- Cleaning: Clean the exterior of the hose with a damp cloth if it becomes dirty. Avoid using harsh chemicals that could degrade the hose material.
Troubleshooting
If you encounter issues with your extension hose, refer to the following common problems and solutions:
Problem: Leaks at Connections
Solution:
- Ensure all connections are fully tightened by hand.
- Check the O-rings inside the connectors for damage, cracks, or displacement. Replace O-rings if necessary.
- Verify that the threads on both the hose and the pressure washer/original hose are clean and undamaged.
Problem: Reduced Pressure
Solution:
- Verify that the water supply to the pressure washer is fully open and unrestricted.
- Check the entire length of the extension hose for any kinks or sharp bends that could restrict water flow.
- Ensure there are no blockages in the pressure washer's inlet filter or the spray gun nozzle.
Warranty and Support
The Sun Joe SPX-25HD Heavy-Duty Pressure Washer Extension Hose is manufactured by Snow Joe. For specific warranty information, product registration, or technical support, please visit the official Sun Joe website or contact their customer service department. Always refer to your pressure washer's original manual for comprehensive warranty details pertaining to the entire pressure washing system.
Brand: Sun Joe
Manufacturer: Snow Joe





