Upgrade kit with 12-meter high-pressure hose, high-pressure gun and Quick Connect adapter for Kärcher high-pressure cleaners of classes K 2 - K 7 (manufactured between 1992 and 2017) without hose reel.

FEATURES AND BENEFITS
Adapter piece
Easy separation of the high-pressure hose from the gun and the device.
The high-pressure hose can be connected and disconnected from the device or gun quickly and conveniently. This saves time and effort.
High pressure hose
With Quick Connect connectors for faster assembly.
High-pressure gun
For ergonomic work.

Technical data
Temperature (°C) max. 60
Max. pressure (bar) 180
Length (m) 12
Weight (Kg) 1.49
Weight including packaging (Kg) 1,792
Dimensions (L x W x H) (mm) 551 x 250 x 250

COMPATIBLE DEVICES
DISCONTINUED PRODUCTS
K 2 Basic
K 2.75-PL-WB
K 2500 PLUS-N * EUR
K 490M-PL-FLEX*EU
K 490M-PL.-FS*EUR

Same summary

The Karcher HK12 set with 12-meter hose, gun and Quick-connect adapter is a useful extension accessory for pressure washer users who want more reach when cleaning patios, driveways, vehicles or hard-to-reach places around the house. The set is best suited for those who often clean larger areas or need more flexibility when working, but it is also worth checking the compatibility of the attachments with your cleaner. A longer hose allows for less movement of the device, but can be a little less practical for smaller jobs or confined spaces.

Recommendation source: Enaa guides and team experiences.

User view

This kit is typically chosen by households looking to simplify regular maintenance of their outdoor areas and vehicles, especially when the existing hose cannot reach all corners and yards or long driveways. It is also often used by those with larger gardens or who need flexibility when cleaning facades and high places.

Users trust Kärcher products because of their long-standing reliable quality and the recognizable compatibility of accessories with their cleaners.

Why buy at Enaa

When you purchase this kit from Enaa, you will receive clear descriptions of compatibility and practical instructions for use, and you can also find related accessories and spare parts for cleaners in our offer. This means that you can shop without worrying about choosing the right product for your needs.

Answers to frequently asked questions

Is the Karcher HK12 kit compatible with all Kärcher pressure washers?

The kit is designed for a wide range of Kärcher cleaners using the Quick-connect system, but please check the compatibility of the connectors with your model before use.

What is the longer, 12-meter hose in the kit useful for?

The longer hose allows you to clean larger areas and reach more distant/higher places without constantly moving the cleaner, which is practical when doing maintenance around the house or vehicles.

What kind of maintenance does the HK12 kit require?

After each use, we recommend that you rinse the set with plain water and check the cleanliness of the connections, as this helps to extend the life of the hose and gun.

Is the kit also suitable for sensitive surfaces?

The kit allows the use of various attachments and nozzles - it is recommended to choose the appropriate nozzle and jet power for sensitive surfaces such as wood or varnish.

What does a Quick-connect adapter mean and do I need one?

The quick-connect adapter allows for a quick and easy connection between the hose and the cleaner or gun, saving time and making it easier to change accessories during use.

Description updated: April 2026