Coming to pressure washer nozzle sizes, we use the combination of GPM and PSI to determine the size i.e., a nozzle must handle pressure washer GPM at a particular PSI. For the money, the Mac Allister 1,800W is undeniably a powerful machine. Having also tried out the more-expensive Kärcher K4 Full Control, I’d say the two machines blast away dirt with similar gusto. Higher the GPM, more water flow rate and faster it can clean. Apart from GPM, the pressure at the nozzle, which is measured in pounds per square inch or PPI is also important.

To see the brands in the table log in now - if you're not yet a member, join Which? to get instant access. Top three common pressure washer faults Nozzles: There are straight and angled nozzles, allowing you to access the underside of a car or hard-to-reach areas such as rain gutters. Having recently cleaned my patio while testing the Kärcher K4 Full Control, I decided to put the Mac Allister through its paces by cleaning my car, my wheelie bin and my conservatory roof.As the nozzle determines the spray pattern, pressure, angle and also the intensity, choosing the right nozzle size is very important. If you select a smaller nozzle size than what is required, then you may damage the pressure washer due to the additional pressure. For regular household cleaning, we need a pressure washer that can produce roughly about 2,500 to 3,000 PSI with a flow rate of 2.5 to 3 GPM. The nozzle also can have a specific angle of the spray i.e., a wider spray to cover large area with slightly distributed pressure or a more focused spray with maximum pressure at the point of impact. The very best thing about this particular model is its size. At just 59cm in height, 28cm in width and 20cm in depth and 4.4kgs in weight, it’s the easiest model to store and carry, and that’s a major consideration since all pressure washers are a bit of a pain to set up and I shall tell you why right away. Kärcher K2 Power Control Pressure Washer review: setting it up You can buy pressure washers directly from manufacturers like Karcher , Stihl, Powerbase , and Draper . However, if you're after a pressure washer from a manufacturer like Bosch, Vax, or Nilfisk – they don't sell direct.

Set SPX3000-ORING SPX3000 Pressure Washer Replacement O-Rings for Sun Joe SPX3001, SPX3500, SPX3501, SPX4000, and SPX4001 Electric Pressure Washers For petrol pressure washers, the most common faults are the choke failing and the motor failing (both 17%). Electric Pressure Washer Suyncll Power Washer 1800W High Pressure Washer, Professional Washer Cleaner with 5 Nozzles & Hose Reel, Best for Cleaning Patio, Garden,Yard (with HoseReel, Blue) Rust and corrosion resistance: The valves, fittings, and nozzles resist rust and corrosion from the minerals in the water. Nozzle tips: These direct the spray of the water and change the intensity and velocity of the water as it comes out of the nozzle.

The Mac Allister 1,800W is a cheap and powerful pressure washer with only a few flaws

See how Nilfisk pressure washers perform in our tests and how many earn our coveted Best Buy recommendation Power Washer, mrliance Pressure Washer MR3500 Electric High Pressure Washer 2000W Professional Car Washer Cleaner Machine with Hose Reel, 4 Nozzles for Patio Garden Yard Vehicle

Homdox Pressure Washer 3.1GPM Electric Power Washer Car Pressure Washer with Foam Cannon 4 Nozzles for Patios Driveways Fence Garage Cleaning Apart from the engine/motor, there is a spray gun with a trigger and a nozzle at the end. The engine or motor will drive a pump to increase the incoming water pressure by several hundred times. Nozzle at the end of the spray gun directs this high-pressure spray on the surface. The features of big and small, new and pre-owned pressure washer parts for different models include: The main flat-headed lance is designed for the majority of jobs because the pressure can be adjusted on the lance itself. It comes with four main settings – Mix, Soft, Medium and Hard. The Mix setting is mostly just water that’s ejected in a wide-ish arc. This is a good setting for sweeping mud off the patio, gently washing windows and pre-soaking the car. The Soft, Medium and Hard settings eject water mist at different levels of fineness. The Hard setting on the flat-headed lance is a good one to use for light patio cleaning but only if the nozzle tip is a few inches away from the surface. Any closer and it will perform a much deeper clean, albeit by just an inch or two at a time.

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Losing pressure is the most likely fault your corded pressure washer will suffer, accounting for 19% of faults overall, according to our latest survey. Inspect for leaks, holes or tears in your garden hose. If you find any, plug the holes or replace the hose. Before looking at the pressure washer nozzle chart, an important point about pressure washers in general is that we measure its cleaning power in terms of Gallons per Minute or GPM. Loss of pressure is the biggest issue for pressure washers. There could be various reasons causing this but before taking it to a repair shop or replacing it, consider the following: So, it is clear that the nozzle of a pressure washer is a very important part in the overall working. With a proper nozzle size, you can the correct pressure, spray pattern and distance. Pressure Washer Nozzle Chart