Introduction
This manual provides essential information for the safe and effective use of your Powerhorse 16-inch Stainless Steel Pressure Washer Surface Cleaner. Please read these instructions thoroughly before assembly, operation, or maintenance. Keep this manual for future reference.
Important Safety Information
Always observe basic safety precautions when using this product to reduce the risk of injury or damage. Failure to follow these instructions may result in serious injury or property damage.
- Read and understand the pressure washer manual before connecting and operating this surface cleaner.
- Wear appropriate personal protective equipment (PPE), including eye protection, hearing protection, and protective footwear.
- Ensure all connections are secure before starting the pressure washer.
- Do not direct the high-pressure spray at people, animals, or electrical equipment.
- Keep children and bystanders away from the operating area.
- Operate the surface cleaner on a stable, level surface.
- Disconnect the surface cleaner from the pressure washer and relieve pressure before performing any maintenance or cleaning.
Product Features
The Powerhorse 16-inch Stainless Steel Surface Cleaner is designed for efficient and uniform cleaning of large flat surfaces. Key features include:
- 16-inch Cleaning Path: Covers a wide area for faster cleaning.
- Dual Rotating Nozzles: Provides consistent and powerful cleaning action.
- 4,000 PSI Max Pressure: Compatible with high-pressure washers for tough dirt and grime.
- Heavy-Duty Stainless Steel Casing: Ensures durability and long service life.
- Splash-Free Skirt: Minimizes overspray, keeping the operator and surrounding areas drier.
- Smooth-Rolling Casters: Facilitates easy maneuverability across various surfaces.

Figure 1: Underside view of the surface cleaner, highlighting the dual rotating spray bar and nozzles for efficient cleaning.
Setup
Unpacking
- Carefully remove all components from the packaging.
- Inspect the surface cleaner for any signs of damage during shipping. If damaged, do not use and contact customer service.
- Ensure all parts listed in the packaging contents are present.
Connecting to a Pressure Washer
This surface cleaner connects to a standard pressure washer wand with a 1/4-inch quick-connect fitting.
- Ensure your pressure washer is turned off and the water supply is disconnected. Relieve any residual pressure in the system.
- Pull back the collar on the quick-connect fitting of your pressure washer wand.
- Insert the male quick-connect fitting of the surface cleaner into the wand's female quick-connect fitting.
- Release the collar to lock the connection. Pull on the surface cleaner to ensure it is securely attached.
- Connect your pressure washer to a water source and power supply according to its manual.

Figure 2: The surface cleaner properly connected to a pressure washer wand, ready for operation.
Operating Instructions
Before Operation
- Ensure the work area is clear of obstacles, loose debris, and anything that could be damaged by high-pressure water.
- Wear all recommended safety gear.
- Check all connections for tightness.
Operation Steps
- Turn on the water supply to your pressure washer.
- Start your pressure washer according to its manufacturer's instructions.
- With the surface cleaner positioned over the area to be cleaned, depress the trigger on your pressure washer wand. The nozzles inside the surface cleaner will begin to rotate, creating a uniform spray pattern.
- Slowly and steadily move the surface cleaner across the surface, overlapping each pass slightly to ensure complete coverage. The casters will assist in smooth movement.
- Maintain a consistent speed for best results. Moving too quickly may result in uneven cleaning, while moving too slowly may cause streaking or damage to sensitive surfaces.
- Release the trigger to stop the water flow.
- After cleaning, turn off the pressure washer and disconnect the water supply. Relieve any remaining pressure in the system by depressing the trigger.

Figure 3: Proper operation of the surface cleaner on a paved surface, showing the user guiding the unit.
Maintenance
Regular maintenance ensures optimal performance and extends the life of your surface cleaner.
Cleaning
- After each use, rinse the surface cleaner thoroughly with clean water to remove dirt and debris.
- Wipe down the stainless steel casing with a soft cloth.
- Clean the bristles of the splash skirt to prevent buildup.
Nozzle Maintenance
- Periodically check the nozzles for clogs or damage.
- If a nozzle is clogged, use a nozzle cleaning tool (often supplied with pressure washers) to clear the obstruction. Do not use sharp objects that could damage the nozzle orifice.
- Ensure nozzles are securely fastened to the rotating bar.
Caster Maintenance
- Inspect the casters regularly for debris accumulation or damage.
- Clean any dirt or hair from around the caster wheels to ensure smooth operation.
- Check that the caster mounting hardware is tight.

Figure 4: Detail of a smooth-rolling caster wheel, important for maneuverability and requiring occasional inspection.
Storage
- Store the surface cleaner in a clean, dry, and frost-free environment.
- Protect it from direct sunlight and extreme temperatures.
Troubleshooting
Refer to the table below for common issues and their solutions. If the problem persists, contact customer support.
| Problem | Detail |
|---|---|
| Uneven cleaning or streaking | Moving too fast; clogged nozzle; worn nozzles. Slow down movement; clean nozzles; replace nozzles if worn. |
| Nozzles not rotating | Clogged nozzles; insufficient water pressure from pressure washer. Clean nozzles; check pressure washer for proper operation and water supply. |
| Water leaking from connections | Loose connection; damaged O-ring or quick-connect fitting. Ensure connections are tight; inspect and replace O-rings or fittings if damaged. |
| Difficulty maneuvering | Debris in casters; damaged casters. Clean casters; replace damaged casters. |
Specifications
| Attribute | Detail |
|---|---|
| Brand | Powerhorse |
| Model Number | A00259 |
| Maximum Pressure | 4000 PSI |
| Cleaning Path | 16 inches |
| Housing Material | Stainless Steel |
| Nozzle Type | Dual Rotating |
| Item Weight | 12.2 Pounds (5.53 kg) |
| Product Dimensions (L x W x H) | 19.7" x 19.7" x 5.9" (50 cm x 50 cm x 15 cm) |
| UPC | 840321767295 |
Warranty and Support
Powerhorse products are manufactured to high-quality standards and are backed by a limited warranty. Specific warranty terms and conditions may vary. Please retain your proof of purchase for warranty claims.
For technical assistance, replacement parts, or warranty inquiries, please visit the official Powerhorse website or contact their customer service department. You can find more information at Powerhorse Store on Amazon.