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🧼 Clean smarter, not harder — the compact power washer that fits your lifestyle.
The Kärcher K1800PS Cube is a compact, CETA-certified electric pressure washer delivering 1800 PSI and 1.2 GPM for versatile cleaning. Equipped with three quick-connect nozzles and a detachable detergent tank, it offers precision and convenience for cars, patios, siding, and more. Its lightweight, cube design and on/off foot switch make it easy to store and operate, ideal for professionals and homeowners seeking efficient, space-saving power cleaning.


























| ASIN | B0B5YNX933 |
| Best Sellers Rank | #11,956 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #79 in Pressure Washers |
| Brand Name | KÄRCHER |
| Color | Yellow |
| Customer Reviews | 4.2 4.2 out of 5 stars (351) |
| Hose Length | 20 Feet |
| Included Components | Karcher PRESSURE WASH ELEC CUBE1700PSI 1.106-200.0 |
| Item Dimensions L x W x H | 15.1"L x 12.6"W x 11.8"H |
| Item Type Name | K1800PS Cube |
| Item Weight | 19 Pounds |
| Manufacturer | Karcher |
| Manufacturer Part Number | 1.106-200.0 |
| Manufacturer Warranty Description | 2 Year Bumper to Bumper Warranty |
| Maximum Flow Rate | 1.2 Gallons Per Minute |
| Maximum Pressure | 1800 Pound per Square Inch |
| Model Number | 1.106-200.0 |
| Power Source | Electric |
| Specification Met | CSA |
| Tank Volume | 1.2 Gallons |
| UPC | 886622043201 |
| Unit Count | 1.0 Count |
V**A
Great pressure washer
Love it. Easy to use and cleans so good! Has a good power spot won’t take long to clean even your driveway. Compact and easy to store.
C**Z
Very compact and lightweight
Nice and compact and lightweight, mounted on a shelf in my garage, and put a 150-foot hose and reel on it, It has been working great, with good pressure, not as much water flow but it is expected, overall no issues, and have used it a lot around the house (prepping roof for sealer re-coat, washing exterior walls and windows, cleaning concrete floors, washing cars, etc.) Much more practical than a gas power machine and can be moved very easily if needed, NOTE it has less power and flow than a gas-powered one but it's good for most applications without the hassle of gas and pull starting it.
B**4
works well
needed to buy a new one. reserched around and found Karcher is still selling them--they were one of the firsts selling electric ones. this one is compact and light. does a really good job cleaning up the patio. does tasks like blasting green scrunge off of chairs and stairs. like all of these pressure washers, you need to insure there is enough FLOW of water for it to work. Initially it was stuttering, then i remembed i had my whole house water filter in the line. when i switched the whole house filter to bypass, it worked fine. despite its cheap price and small size, it MOVES A LOT of water at a pretty high pressure. Being compact, i can easily store it in the basement for the winter too! I am very happy with the investment. about the only thing i wish is that the pressure hose would be another 10 feet longer.
V**A
Good enough
Not the most powerful. Definitely less than my gas powered 3200 psi which broke down all the time. Should be strong enough for most tasks around the house. Simplicity, lightweight and small size make it a keeper at 99 $
S**H
Works like a dream!
I bought the 1800PS Cube, and it works amazingly. I've had a Karcher power washer before, but it only had the 15° nozzle. When I cleaned, I had to hold the nozzle a few inches from the ground and it tended to leave stripes everywhere. My first time using this product, I initially used only the 15° nozzle, thinking that the "Turbo" would be too powerful for cleaning my paver stones. I was wrong! What a difference! It blasted the dirt and mold away so easily, and didn't leave any streaks behind. I was done in no time. With the old pressure washer my hands and back were so sore and cramped afterward, but this one was much more user-friendly. I'm glad I got the cube instead of the wheeled version. It's easy to move around and it packs so compactly I was able to fit it right on a shelf. The only possible negative criticism would be that it doesn't have an adjustable flow. You can only control the power of the spray by how closely you are to the surface you're cleaning. For my patio I would only need a powerful spray, but if you're cleaning something that can dent, make sure to stand farther back when you first turn the hose on.
D**D
Leaky nozzle connection right out of the box
I was excited to get this Kärcher K1800PS pressure washer after reading the positive reviews. Unfortunately, right after assembling it and following the setup instructions, I encountered a major issue that prevents the washer from functioning properly. The problem is with the nozzle quick connect fitting. No matter how tightly I connect the different nozzles, there is a constant leak from this connection point when the washer is turned on. The nozzles themselves feel loose and don't seem to lock in securely even when fully inserted. I've included a video showing the leak and how the nozzles are loose even when fully inserted. You'll see water spraying out from the base of the nozzle instead of just coming out the spray tip. It's disappointing because otherwise the pressure washer seems well-built and powerful based on my initial impressions. But this leaking nozzle connection is a dealbreaker and means I'll have to return this unit for a refund or replacement. I'd recommend checking this connection point carefully if purchasing this model. Hopefully my issue was just a single defective unit, but it renders the whole thing unusable right now. I'll update if I'm able to exchange it for one that doesn't have this leaking problem.
T**J
Great psi washer
Been a year now and this thing doesn’t skip a beat. Over 80 washes using it on vehicles and motorcycles and Karcher once again can’t be beat!
E**C
Powerful for a small unit
Works well, had it for awhile now and still going. Hose storage is always an issue on these so, be careful and don't kink it after you coil it , it doesn't uncoil easily just by pulling on it. My old one has a trigger lock so you didn't have to keep it pulled all the time, kind of miss that, rigged my own.
D**O
Buena hidro, muy practica con su cubeta para llevar todo, se escucha y se siente potente. le puse unas conexiones rapidas para poner y quitar las mangueras y todo esta funcionando bien. Viene con 3 boquillas (jabon, 40° y turbo) suficientes para el auto y casa, la mangera se dobla facilmente pero posteriormente la cambiaré por una uberflex.
A**S
One summer, washed a couple cars and deck..put it away for winter and just brought it out. Pump ran for 15 seconds and now it's dead. Tried resetting breakers, hose plugged in, unplugged... nothing..I will be emailing Karcher about this product because I am now out a few hundred for this junk plus accessories
E**0
I am very happy with my purchase great item
C**R
Purchased after seeing many good reviews both here and on other sites. Have to say I am incredibly disappointed. I see a lot of the reviews are a few years old so it's possible the manufacturer has changed things for the worse. The OK: So far the actual pressure washer - the unit itself - is fine. I've only used it a few times so we'll see if it holds up. The form factor is very convenient. To be completely honest, I have my doubts about how long it will last just based on the quality of the pipe fittings coming out of the plastic shell. They look extremely poorly made and if that's an indicator for the quality of the rest of the internal components, I don't have high expectations for durability. The Bad: This might be an issue with my unit specifically, but the unloader valve either doesn't work or isn't set properly, so pressure just builds up when you let go of the trigger and causes a huge kick when you press it afterwards. The pressure washer wand is the I've ever used. Worse than the cheap Simoniz ones. Way worse than the cheap Chinese drop shipped one I replaced it with. The nozzle attachments it comes with are awful. One of them broke the first time I used the machine - shot the little metal insert (not the nozzle itself, but the piece of metal inside it) out of the nozzle like a bullet. Luckily I always point at the ground when I start it. The hose is also the worst pressure washer hose I've ever had. It is comically short (a "generous" 25 feet), incredibly stiff, kinks constantly, and is altogether miserable to use. The soap dispenser on the machine is awful and inconvenient. It isn't removable, so if you do use it, you have to use all of the soap and then flush it out before you can have clean water again. The M-F filter fitting that the unit comes with is cheap plastic junk and broke on my 2nd use. This thing is probably the cause for all the complaints about leaks you see in other reviews. If you're going to buy this unit and plan to use it more than once a year, plan on also buying the following: Brass M-F fitting for the garden hose connection. Brass Quick disconnect fitting for the garden hose connection. Brass Quick disconnect fitting for the pressure hose connection. Brass Quick disconnect fitting for your wand. A new wand/gun. A new hose. A foam cannon/soap attachment for your wand. You can probably add $100-200 to the price of the unit for all of this, just to get to something you won't hate using.
B**H
Funciona perfecto 10/10
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