Dual Power, Dual Clean: 4.0 Twin Flow Pressure Washer Review 2026

The 4.0 Twin Flow is a pressure washer equipped with DTS (Dualtech System), a patented system from Annovi Reverberi that allows you to modulate the machine's performance by using one or two power units. By choosing the fast cleaning mode (2 power units), you get a 50% increase in performance, thanks to the double water flow with increased intensity and jet extension.

Two results: excellent cleaning even on the most stubborn dirt, saving time and effort; the ability to quickly wash even the largest and highest surfaces, as the jet reaches up to 5 meters in height.

Two Power Units for Different Uses

In position 1 Eco Soft Cleaning, only one power unit is activated: the wash is ideal for cars, motorcycles, bicycles, and all surfaces that are more delicate. For maintaining your vehicle's finish, consider pairing this with quality home improvement tools for a complete garage setup.

In position 2 Fast Cleaning, the machine's two power units are activated to eliminate stains and deep dirt from stone or concrete pavements, cladding and brick walls, and construction equipment. For tougher outdoor jobs, having the right garden supplies can make all the difference.

The Twin Nozzle Accessory

The Twin Nozzle accessory, included in the package, is useful for increasing the efficiency and quality of cleaning large surfaces, saving time and effort (up to 70% of your time). It is particularly suitable for washing concrete or brick walls, outdoor flooring, swimming pools, large wooden or PVC structures, and much more. After cleaning, you might want to update your outdoor space with new outdoor patio furniture to enjoy the refreshed area.

Everything Always in Order

The power cord is 5 meters long; it wraps around two pegs. The detergent tank, complete with nozzle and flow adjustment, is located at the back of the machine. On the right side, the lance holder is attached. At the rear, there is an openable accessory container for storing rotating jets and the Twin Nozzle adapter. The adapter with quick coupling, to be screwed onto the water supply inlet, is made of transparent plastic so you can see the condition of the filter. The gun features a quick-release coupling for easy connection of the lance and accessories.

Frequently Asked Questions

• Can I use the 4.0 Twin Flow for cleaning delicate surfaces? Yes, in Eco Soft Cleaning mode (1 power unit), it's safe for cars, bikes, and delicate surfaces. For indoor cleaning tasks, check out our selection of rugs to protect floors.
• How high can the water jet reach? The jet can reach up to 5 meters in height, making it ideal for cleaning high walls and large surfaces. Proper lighting can also help you spot dirt in those high areas.
• What is the benefit of the Twin Nozzle? It doubles the cleaning width, saving up to 70% of your time on large surfaces like patios and driveways. After cleaning, consider adding some outdoor decor to enhance your space.
• Is the detergent tank easy to use? Yes, it's located at the back with an adjustable nozzle for precise detergent application. For storing cleaning supplies, a storage bench can be a practical addition.
• How long is the power cord? The power cord is 5 meters long, providing good reach without needing an extension cord for most jobs. For a well-organized workspace, consider desks and work surfaces for your home office.

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