Mobile Water Blaster

Honda GX390 15LPM Annovi Reverberi Pump

This commercial grade petrol mobile water blaster has excellent cleaning power due to its water flow rate and high pressure. It has a 4-stroke single cylinder Honda OHV GX commercial series petrol engine with horizontal shaft coupled to an Annovi Reverberi ceramic piston brass head pump rated to 4000 psi at 15 litres per minute.

Blue Hawk waterblasters are assembled in NZ with quality parts including:

• Honda GX series commercial engines
• Annovi Reverberi crankcase ceramic pump – Italian-owned world leaders in water blaster pumps
• Quality Italian-made Tecomec fittings including the gun, lance, unloader- and safety valve.

FEATURES

• Max Pressure: 4000psi
• Max Flow Rate: 15 litres per minute
• Engine: Honda GX390 (Petrol)
• Pump: Annovi Reverberi RRV4G40 (Crankcase, Ceramic Pistons, Brass Head)
• Unloader: VRT3 Series external unloader
• Frame: Stainless coated mobile frame
• Accessories: Tecomec gun and 900mm lance, quick-connect nozzles, 15m 3/8” 2-wire compact smooth cover hose
• Safety Features: SVT safety valve and bypass system
• Water Protection: Brass inline filter
• Warranty: 2 Years

Optional Accessories

• Lances: 300mm / 600mm /900mm / 1200mm / 1500mm and 2.4m lengths available
• Nozzles: JROD, Rotary Nozzles or Quick Connect Nozzles
• Detergent Injector

4000psi Mobile Water Blaster – Commercial Grade Performance You Can Rely On

If you’re looking for a commercial mobile water blaster that delivers real power, long-term durability, and on-site flexibility, this mobile petrol water blaster is built to impress. Designed for demanding cleaning tasks, this high-performance pressure washer is ideal for professionals working in house washing, commercial property maintenance, fleet cleaning, building restoration, and more.

At the core of this machine is the Honda GX390 four-stroke petrol engine, widely regarded for its unbeatable reliability and smooth operation. Known for starting easily, running quietly, and performing consistently even under heavy load, the GX390 gives this unit the robust foundation it needs for daily commercial use.

Backing the engine is the premium Annovi Reverberi RRV4G40 pump — a professional-grade crankcase pump featuring ceramic pistons and a brass head. Built to withstand the rigors of high-pressure use, the pump offers exceptional longevity and performance, delivering a maximum pressure of 4000psi and a flow rate of 15L/min. This combination of high pressure and flow rate is perfect for tackling tough grime, mould, mildew, dirt, and other contaminants commonly found in residential and commercial exterior surfaces.

To support safe, consistent operation, this petrol water blaster includes a VRT3 external unloader and SVT safety valve. The bypass setup helps to keep the pump cool, allowing water to recirculate when the trigger is released. A brass inline water filter is also included to ensure clean water feeds the system, preventing debris damaging the pump.

This unit is built on a stainless coated mobile frame, offering both corrosion resistance and structural strength. Its rugged construction and portability make it ideal for on-site work where mobility is essential. Whether you’re working on residential driveways, weatherboard homes, multi-story buildings, or commercial premises, this mobile petrol pressure washer is designed to keep up with the pace.

Included with this high quality commercial pressure washer are a range of professional accessories:

• A Tecomec trigger gun and lance, offering ergonomic handling and responsive control
• A set of Quick Connect nozzles (0°, 15°, 25°, 40°), allowing you to adapt to a variety of cleaning tasks
• A 20-metre 3/8” 2-wire smooth wire compact hose, which offers a solid balance between flexibility, durability, and kink resistance, helping you cover larger areas with ease. You can upgrade to longer lengths if required.

Whether you’re launching a house washing business or expanding your existing operation, this unit is a smart investment that offers both performance and peace of mind. It’s suited to anyone who needs a reliable, high-powered petrol water blaster that won’t let them down on the job.

With a 2-year warranty included, you can rest assured that this pressure washer is backed by long-term support and built to go the distance.

Ready to take your cleaning to the next level? Invest in this commercial-grade mobile water blaster today and experience the perfect balance of power, reliability, and high quality construction — made to get the job done right, every time.