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The Karcher K2 is the smallest machine in Kärcher's home pressure washer range: 110 bar, 360 litres an hour and light enough to carry in one hand. It suits bikes, garden furniture, a small patio and the odd car wash rather than a long driveway. This page lists the machines we stock and the lances, brushes, foam nozzles and hoses that fit them.
Not sure it's big enough? Our K2 vs K3 vs K4 vs K5 vs K7 guide sets the classes side by side, or browse the whole Karcher pressure washer range. Everything is sold by My Tool Shed.
Kärcher sorts its Home and Garden machines into classes, from K 2 up to K 7, and this is the entry point. Kärcher rates it for occasional cleaning of light dirt, with an area performance of 20 m² an hour. That's plenty for green algae on garden furniture, a muddy mountain bike, wheelie bins, a small paved area or a car between proper valets. It isn't the tool for a 60 m² block paving drive: it would get there, but slowly.
The trade-off is size and price. The K 2 Classic weighs 3.4kg and stands about 42cm tall, so it fits on a shed shelf. The three machines here usually cost between £80 and £130, which makes it one of our cheap pressure washers that still takes genuine Kärcher accessories.
These figures are from Kärcher's own data sheets and the listings on our site. The pump is the same in every version, so the cleaning power doesn't change. What changes is the body, the hose and what comes in the box.
| Spec | K 2 Classic | K 2 / K 2 Home | K 2 Power Control |
|---|---|---|---|
| Max pressure | 110 bar | 110 bar | 20 to 110 bar |
| Flow rate | 360 l/h | 360 l/h | 360 l/h |
| Area performance | 20 m²/h | 20 m²/h | 20 m²/h |
| Rated power | 1.4kW | 1.4kW | 1.4kW |
| High pressure hose | 3m | 4m | 5m |
| Power cable | 5m | 5m | 5m |
| Weight (no accessories) | 3.4kg | 4.2kg | 4kg |
| Size (L x W x H) | 178 x 219 x 415mm | 242 x 285 x 790mm | 246 x 280 x 586mm |
| Lances | One-way lance, dirt blaster | Dirt blaster, plus Vario Power on the Home | Vario Power, dirt blaster |
Every version takes water from a garden hose through the A3/4 adaptor, at up to 40°C, and has a water filter on the inlet to keep grit out of the pump. The high pressure gun and the high pressure hose clip on with Quick Connect.
A search throws up a lot of names. Kärcher also changes the line-up every few years, so shops sell older and newer versions side by side.
The K 2 Classic is the compact one you carry by a handle. It has a 3m high pressure hose, a G 135 Q high pressure gun, a one-way spray lance and a dirt blaster, and the hose stores on the front cover. It's the one to get if storage is tight and the jobs are small.
The upright K 2 stands on wheels with a pull-up handle, so you wheel it rather than carry it, and it has a 4m hose. The K 2 Home is the same machine with a Vario Power spray lance and a T 1 surface cleaner. Twist the Vario lance to soften the jet for wood, cars and painted surfaces.
The K 2 Power Control adds a telescopic handle, a 5m hose and a suction tube for detergent, and links to Kärcher's Home & Garden app for cleaning tips. Older stock is also sold as the Compact and the Full Control. They use the same 110 bar pump, so the accessories below fit those too.
If cleaning the patio is the main job, our pressure washers for patios page covers bigger machines, and patio cleaner attachments lists more heads.
Most of the grid above is Karcher K2 accessories. Machines made since 2011 use Quick Connect, so most parts for the home K range click straight on. A few are sized for one pump class, so check the fit line on each card.
A Karcher K3 gives 120 bar, 380 l/h and 25 m² an hour from a 1.6kW motor, with a longer hose. It's the better buy if you clean a car most weekends. A Karcher K4 goes to 130 bar, 420 l/h and 30 m² an hour, and has a water-cooled motor for long jobs. For a flat, a small terrace or a few bikes, the smallest class does the job for less. Still deciding? Read what bar pressure washer you need.
Prices move, so treat these as rough. The K 2 Classic usually costs about £80 to £90, the upright K 2 about £100 and the K 2 Home about £130. Most accessories here cost £12 to £60, with the telescopic lance kits at around £100 to £130.
My Tool Shed usually delivers on the next working day and takes unused items back within 30 days (retailer's terms apply). Kärcher gives machines bought since January 2024 a two year guarantee, or five years if you register it with Kärcher within 28 days. The guarantee covers home use and doesn't include accessories.
For a small one, yes. Use the dirt blaster on stubborn moss or a surface cleaner for even results. On a large driveway, a K4 or K5 will finish in half the time. Our how to jet wash a patio guide covers the method.
Yes. Use the widest spray, keep the lance about 30cm from the paint and apply foam or shampoo first. The foam nozzles above fit, and our pressure washers for cars page has more tips.
Kärcher sells an optional suction hose that takes water from a water butt. Fill it with water before you switch on, and keep the inlet filter in place to protect the pump.
Most do. Quick Connect guns, foam nozzles, brushes and the PS 20 and PS 30 fit across the K2 to K7 range. Nozzles and lances made for a bigger pump don't. Check the fit line, or browse all pressure washer accessories.
A blocked inlet filter, a kinked hose, a worn nozzle or air in the pump are the usual causes. Our Karcher pressure washer not working guide goes through each fix.
