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

**URL:** https://aio.lv/en/product--karcher-2644-5510--11673620
**Data updated:** 2026-01-12 19:38 (EET)
**Category:** Pressure Washers
**Manufacturer:** Karcher
**Manufacturer code:** 2.644-551.0
**EAN:** 4066529172846
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 29.49 €
**Prices and availability valid until:** 2026-07-16 23:59
**Price without VAT (21%):** 24.37 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--karcher-2644-5510--11673620

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 25.06.2026 | free |
| Pickup points | 30.06.2026 | 1.99 EUR |
| Courier delivery to door | 30.06.2026 | 4.99 EUR |

## Summary description

Karcher Eco!Booster 120 is a pressure-washer accessory designed to dose cleaning agents while reducing water consumption. It connects to compatible Karcher systems and supplies concentrated detergent at a controlled rate, improving cleaning efficiency for vehicles, patios and machinery. The unit simplifies chemical application, saves detergent and water, and reduces operating costs.

## Long description

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.

## FAQ

### How much does the Karcher Eco!Booster 120 pressure washer dosing unit cost, and is it available for purchase?

The price is 29.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 162 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 25.06.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Karcher products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Karcher service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/11673620/66983236_large.webp