Pressure washer accessory Karcher Eco!Booster 120 – water-saving detergent dosing unit

Karcher Eco!Booster 120 – water-saving detergent dosing unit (MPN 2.644-551.0, EAN 4066529172846) is an accessory for compatible Karcher pressure washers designed to meter concentrated cleaning agents while reducing overall water consumption. The Eco!Booster 120 connects to the pressure-water inlet and delivers a regulated quantity of detergent to the spray stream, enabling efficient cleaning of vehicles, patios, machinery and similar surfaces. This dosing unit is intended to simplify chemical application, reduce detergent waste and support lower operating costs when used with compatible Karcher systems.

Advantages

The Eco!Booster 120 offers precise detergent dosing to help maintain consistent cleaning performance while minimizing chemical use. Its water-saving design reduces the volume of rinse water required, contributing to lower water consumption during washing cycles. The unit is compatible with selected Karcher pressure washer setups and is built for straightforward installation and maintenance, reducing downtime. By delivering concentrated detergent at a controlled rate, the accessory helps optimize cleaning efficiency and cost-effectiveness.

Suitable for

• Washing cars, vans and small trucks
• Cleaning patios, driveways and garden furniture
• Degreasing and removing grime from light machinery and tools
• Tasks where controlled detergent dosing and reduced water use are required

Key specifications

• Brand: Karcher
• Model: Eco!Booster 120
• Manufacturer part number (MPN): 2.644-551.0
• EAN: 4066529172846
• Function: detergent dosing unit with water-saving operation
• Compatibility: designed for compatible Karcher pressure washer systems

How to use

Connect the Eco!Booster 120 according to the manufacturer’s installation instructions to the inlet of a compatible Karcher pressure washer or recommended connection point. Fill the detergent reservoir or attach the concentrated cleaner as specified by the detergent manufacturer, ensuring appropriate dilution if required. Start the pressure washer and adjust the dosing rate if the unit or the connected machine provides an adjustment feature. Operate the spray lance at recommended pressure settings for the surface being cleaned, allowing the Eco!Booster 120 to introduce detergent into the water stream during the wash and switching to rinse mode as needed for final rinsing.

Usage recommendations

Use detergents approved for use with Karcher dosing equipment and follow safety and dilution instructions on the chemical label. Check compatibility with your specific Karcher pressure washer model before installation, and perform regular maintenance checks on connections and seals to prevent leaks. When cleaning sensitive surfaces, test on a small inconspicuous area first and adjust detergent concentration and pressure accordingly.