The versatile Kärcher K 4 Power Control Flex pressure washer makes it simple to select just the perfect pressure for the job, from cleaning the patio to removing mud from delicate car paintwork.
The versatile Kärcher K 4 Power Control Flex pressure washer makes it simple to select just the right pressure for the job, whether you're cleaning the patio or removing mud from delicate car paintwork. Easily adjust the pressure from one surface to another using the LED pressure setting display on the trigger gun for three different settings, and switch between the Vario and Dirt blaster lances. The machine's Plug 'n' Clean system applies detergent as you clean for maximum efficiency. With its 8m high-pressure hose, telescopic handle and stable design, this machine gives you plenty of reach without falling over. Always have Kärcher on hand with the Kärcher App which offers useful hints and tips from setting up your machine or step by step application guides. On-board storage keeps the trigger gun, hose and lances neatly stored away, while its state-of-the-art water-cooled motor means this durable pressure washer will give you outstanding performance for years to come.
Specifications
Technical data
Current type (V/Hz) | 230 - 240 / 50 |
Pressure (bar/MPa) | 20 - max. 130 / 2 - max. 13 |
Flow Rate (l/h) | max. 420 |
Area performance (m²/h) | 30 |
Water feed temperature (°C) | max. 40 |
Power rating (kW) | 1.8 |
Power Cable (m) | 5 |
Weight without accessories (kg) | 11.5 |
Weight incl. packaging (kg) | 16.1 |
Dimensions (L × W × H) (mm) | 402 x 306 x 588 |
Equipment
- High-pressure gun: G 160 Q Power Control Gun
- Vario Power spray lance
- Dirt Blaster spray lance
- High-pressure hose: 8 m
- Quick Connect on machine
- Detergent application via: Plug and Clean system
- Telescopic handle
- Water-cooled motor
- Soft bag
- Integrated water filter
- Adapter garden hose A3/4"
Application Areas
- Bicycles
- For cleaning gardening machines and tools.
- Garden/terrace/balcony furniture
- For cleaning fences and smaller garden paths or flagstones.
- For cleaning motorcycles and scooters.
- For cleaning small cars.
Accessories

Ideal for delicate surfaces, very efficient – the eco!Booster delivers a 50% higher cleaning performance than the flat jet, saving water, energy and time.
Replacement hose with Quick Connect connectors for quick attachment.
For all devices in the classes K 4 – K 7 with hose reel (manufactured 2009 or later). 10 m, 180 bar, 60°C.
Watering Station for the practical and space-saving stowage of hoses and garden accessories. With removable drum, storage for nozzles, spray guns, and spray lances and spacious storage box.
Rotating brush head Gentle and efficient cleaning action.
Hose set for high pressure cleaning or for watering the garden. With 10 m PrimoFlex®-hose (3/4"), G3/4-tap adapter, 1 x Universal hose connector as well as Universal hose connector with Aqua Stop.
The Karcher PS 30 Plus Power Scrubber Surface Cleaner provides outstanding cleaning results on various types of outdoor hard surfaces. Cleaning power is produced by three individual high-pressure nozzles, which help to loosen even the most stubborn of dirt or grime.
Cleaning Agents
A powerful universal cleaner (1 litre bottle) for use with Kärcher pressure washers. Plug 'n' Clean: Simple to use and apply with a high-pressure cleaner. May be used anywhere
The Kärcher 3-in-1 plastic cleaner is a powerful detergent with a 3-in-1 formula which gives you an exceptional cleaning performance thanks to its effective dirt remover, colour and a material protection formula. For out-standing cleaning efficiency, care and protection in one step. This plastic cleaning detergent from Kärcher can be used on garden furniture, PVC window frames and other plastic surfaces.
The Kärcher 3-in-1 wood cleaner has a powerful 3-in-1 formula which offers you an exceptional cleaning performance thanks to its active dirt remover, UV protective formula and extensive care. This wood cleaning detergent offers you an outstanding cleaning performance, care and protection in one simple step. This Kärcher wood cleaning detergent is suitable for use on all treated and un-treated wooden surfaces outside, including your decking.
Ultra Foam Cleaner in a 1 litre bottle – high foam and active cleaning. For use with KÄRCHER foam nozzles. Extremely effective against typical vehicle soiling.
The Kärcher 3-in-1 car shampoo has a unique 3-in-1 formula which offers an exceptional cleaning performance. With its active dirt remover, quick-drying and ultra-shine formula for outstanding cleaning efficiency, care and protection in one step. Suitable for use on all vehicles.
The Kärcher Car Glass Cleaner provides streak-free cleaning whilst reliably removing insects, fingerprints and dirt from your windows, mirrors, headlights and displays.
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