What is a Pressure Washer?
A pressure washer is a machine that uses high-pressure water to clean things. The main purpose of pressure washing is to loosen substances on solid surfaces so they can be more easily removed than brushes or scrapers.
It works by applying an intense spray of water at high pressure coupled with compressed air to quickly remove dirt, grime, oil, and other tough messes around the house.
Pressure washing machines come in different shapes and sizes, depending on whether you need them for home use or large house cleaning. While they have been used for over a century, they have become more popular amongst homeowners during recent years because of their many benefits!
For example, using a pressure washer will not only save money because you won’t have to hire a contractor, but it will also help the environment since you’ll be using water instead of dangerous chemicals.
Important
When buying a pressure washer, check the two of its important cleaning factors which play a vital role in its cleaning power, GPM and PSI
What Is PSI?
Water pressure is measured in PSI (pounds-per-square-inch). It is the force applied by the pump to create the movement of water through your pressure washer’s nozzle. It determines how fast that water moves through the unit. The higher the PSI value (bar), the greater amount of force there is to push stagnant dirt and stains around on a surface. So always choose a PSI according to your requirements.
What Is GPM?
GPM refers to gallons per minute which tells you how much water volume will be flowing out of your nozzle each minute.
If you have a high PSI rating but low GPM, you’ll have a strong jet of water but little water will come out of the nozzle due to low GPM. And it will have low cleaning results. In the opposite situation, if your PSI is low but your GPM is high then your stream will be a little weaker but more water is here. The more the water the more best results you will get. So really comes down to what type of cleaning job you’re doing.
Price Range Of Pressure Washers
A typical domestic style pressure washer will start anywhere from $100-$500 and a commercial-style pressure washer from $800-$3000 depending on the horsepower (HP), nozzle selection, engine options, and warranty coverage.
Pressure Washer Parts
The main parts of a pressure washer are:
- Pump
- spray gun
- Pressure washer Hose
- air motor
- Nozzles
- control valve
The heart of a pressure washer is its pump that compresses water to a high-pressure stream. Attached to the inlet side of the pump may be an injection nozzle for chemical cleaning or a foam generating nozzle for soap/detergent application.
These nozzles enhance the surface contact between contaminant and cleaner before being washed away by a high-velocity water stream leaving the tip of the nozzle.
Different nozzles are designed to work with different types of surfaces such as concrete, brick, wood, metal, etc.
Types Of Pressure Washer
There are several types of pressure washers according to their energy source or water type. Let’s have a brief look.
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Electric Pressure Washers
Electric Pressure Washers are a great way to clean your car, bike, driveway, or patio without the need for harmful chemicals.
Pressure washers using electricity as a power source come in a wide variety of shapes and sizes, but they all have one thing in common: they use electricity to create high-pressure water that’s then pushed through a nozzle.
Different types offer different benefits suited to different applications. If you need an electric pressure washer for large-scale surface cleaning, your options may be limited. But if you need a powerful electric pressure washer for home power washing, there are many good choices with varying features and specifications.
When talking of price, electric pressure washers are cheaper than their gas counterparts. This is due to their small and portable build and the use of electricity. You can get a great electric pressure washer below the $150 price tag. Moreover, their price can go as high as $400.
Moreover, the best way to find the right electric pressure washer is to match it up with what you need it for!
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Gas Pressure Washers
A gas pressure washer is a machine that uses compressed gas or liquid fuel to produce high-pressure water.
They are typically more powerful than electric pressure washers since they use the power of motorized rotating pistons to throw higher-pressured streams of water against surfaces. This is the reason gas pressure washer are widely used for commercial and industrial purposes.
Gas pressure washers are the best option for rust cleaning, removing old paint, graffiti, and surface cleaning.
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Hot Water Pressure Washers
A hot water pressure washer is the same thing as a power washer or gas-powered high-pressure cleaner, but utilizing – instead of cold water – only heated water.
There are three basic types of heating technologies used in hot water pressure washers. They are resistive, convective, and radiant. Every type has its advantages in different climates and most manufacturers will choose their preferred heating system depending on their particular application suggestions.
They work by pumping pressurized hot water to a wand at very high pressures, making them ideal for removing dirt and grime from exteriors like patios and sidewalks as well as home siding and other brick exterior features.
Plus, because they can reach those hard-to-reach areas like gutters. Moreover, it’s the perfect product for those who live in snowy climates or deal with ice in their homes during the winter months.
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Cold Water Pressure Washers
Cold water pressure washers are opposite to hot water pressure washers. A cold water pressure washer, however, does not use piping or hoses that are typically connected to a hot water supply.
The basic premise is the same as with a regular hot water pressure washing machine, but they’re instead hooked up to taps that supply cold running drinking tap water. It may require longer ‘soaks’ or you’ll need to leave it on for longer periods of time at night due to lower temperatures… But your costs will be much lower than if using piping and hoses connected to a site’s central heating system!
A cold water pressure washer cleans drains, concrete, siding, and exterior surfaces without the use of chemicals. This pressure washer does not rely on boiling water to create super high-pressure or any other type of pressurized solution or fluid.
For a little of everything – more specifically, for cleaning up stains and dirt from brick walkways, siding, furniture, and cement.
Uses Of Pressure Washer
A pressure washer has many different uses, for example:
- You can use it on vehicles like cars, RVs, bikes or boats too.
- Pressure washers are used to clean surfaces like decks, porches, patios, sidewalks, garages, and driveways.
- Cleaning greenhouses and gym equipment
- The high-pressure water blasts the dirt away quickly and efficiently from many surfaces
- A pressure washer is a great tool to remove old paints and graffiti from the walls
- It is often used for wet sandblasting to remove rust easily.
Top Electric Pressure Washer Brands
An electric pressure washer is a powerful cleaning and washing appliance. As you know earlier it uses electric power to increase the pressure of water to perform various tasks without damaging anything or anyone near it. Th
There are many electric pressure washer brands in the market which deliver these appliances with outstanding performance. Following are some of the best electric pressure washer brands in the USA:
Sun Joe has many Pressure washer Models Some discussed below
This is one of the top-rated models made for residential use. Sun Joe SPX3000 has a powerful 14.5 AMP motor that delivers 2030 PSI, which is enough to handle many simple household tasks like washing cars or mildew-covered patio furniture. It has a conveniently compact design that can easily be stored away in a cupboard or garage.
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Sun Joe SPX3500 Electric Pressure Washer:
An electric pressure washer is known to be the most inexpensive way of removing loose paint or dirt from different surfaces. The SunJoe SPX3500 Pressure Washer is a great addition to any home! This lightweight and portable pressure washer has all the power you need to clean your patio, walkways, driveway, pool deck, and more.
The SunJoe SPX3500 features an adjustable dial that allows you to choose different pressure settings. With a maximum PSI of 2300 and GPM of 1.48, this pressure washer will deliver 28% more cleaning power than other units in its class.
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Sun Joe SPX4000-PRO Power Washer:
The main difference between the Sun Joe SPX4000 and other electric pressure washers in its class is that it comes with wheels for easy transport. The Sun Joe SPX4000 2030 PSI along with a 1.76 GPM pressure washer is ideal for cleaning patios, driveways, sidewalks, and more!
With a powerful 14.5-Amp motor, this pressure washer delivers 2030 PSI of cleaning power to blast away dirt and grime from any surface. Its onboard detergent tank allows you to use your favorite detergents. While the Turbo Nozzle makes it easy to clean siding, decks, and fences in no time at all!
2. Ryobi
Listed below are some of its famous pressure washers on the market today.
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RYOBI 2300 PSI Electric Pressure Washer:
This is a very powerful and easy-to-use pressure washer that comes with several attractive features. The good thing about this product is that not only can you do your household cleaning chores but also it’s great for the outdoors.
RYOBI 2300 PSI washer includes a 25-foot high-quality hose that connects to the unit to produce a high-powered stream of water. You might be surprised at how quickly you can clean your outdoor patio and other dirty areas with such an incredible pressure washer.
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RYOBI 1800 PSI Compact Electric Pressure Washer:
RYOBI 1800 PSI Power Washer is best for cleaning home siding, patio furniture, decks, and more without any hassle. This compact pressure washer has a powerful 13 amp motor that delivers 1,800 psi of water flow to quickly clean surfaces.
Moreover, it features quick-connect nozzles (15 degrees, soap, and turbo) for cleaning a variety of surfaces. The high-pressure hose is 25 feet long so you can easily reach hard-to-clean areas.
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Ryobi 1600 PSI 1.2 GPM Power Washer:
The Ryobi 1600 PSI electric pressure washer is a light-duty and portable electric pressure washer. It features a compact design with the convenience of an electric start for easy operation.
The Ryobi 1600 PSI Electric Pressure Washer comes equipped with a 25-foot high-pressure hose and quick connect nozzle tips that allow you to clean your vehicle, patio furniture, or home siding in no time at all.
3. Karcher
There are two different groups on the domestic appliance market: those brands that focus mainly on vacuum cleaners and steamers, and those that deliver a broader range of products to the consumer. The latter group is more diverse as they offer not only appliances for cleaning but also kitchen appliances as well as appliances for care, mobility, etc.
Listed below are some of the Karcher Electric Pressure Washer models on the market today.
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Karcher K1700 Electric Power Washer:
The Karcher K1700 Electric Power Pressure Washer is the ideal pressure washer for any homeowner. It comes with a convenient design and 3 quick-connect nozzles to give you the versatility you need to tackle any cleaning project around your home.
Its convenient on/off footswitch allows for easy operation. Moreover, there’s even a built-in removable storage bin so that you can easily store tools and supplies as needed.
This Karcher K1700 Electric power pressure washer also has an onboard detergent tank so that you can mix your own solution right at the source.
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Karcher K5 Premium Electric Pressure Washer:
Karcher K5 Pressure Washer, 2000 PSI, 1.4 GPM is a great addition to any household that wants help performing cleaning tasks faster and more efficiently without having to hire a professional or buy expensive equipment of their own. The Karcher K5 model gets the job done quickly and is easy for anyone to use.
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Karcher K2 Plus Electric Power Washer:
This is perfect for cleaning your vehicle and other outdoor items because it has 1600 PSI of pressure and a 1.25 GPM of water flow rate.
Karcher K2 Plus Electric Pressure Washer is made of plastic and metal so you can expect durability and reliability with this product.
Don’t worry about its assembly like other electric pressure washers that require some time in assembling their parts. All you need to do is put on the spray gun and included accessories, and plug the unit into an electrical outlet.
4. Wholesun
The company leads the pressure washing industry worldwide by designing and manufacturing its own line of electric power equipment.
Listed below are some of the WHOLESUN models on the market today.
This could be the perfect pressure washer for homeowners that are looking for an electric unit that can handle regular or medium-duty cleaning. It’s not too expensive but it is very functional and powerful enough to make cleaning some jobs easy.
This Wholsun pressure washer is very functional and versatile, features 4 quick connect nozzles, an onboard reel for the power cord for tangle-free use, lightweight and 20ft long durable supply hose which makes this electric pressure washer super easy to move around and use.
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WHOLESUN 3600 PSI Pressure Washers
WHOLESUN 3600 PSI pressure washers deliver a high-pressure jet stream for easy cleaning of all surfaces in and around your home. This is a high-power washer with a 2.6 GPM water flow rate at 1900W motor output.
It features a 33 ft power cord with inline GFCI for safety protection, easy to assemble and disassemble in seconds for convenient storage. The rotatable iron spray lance provides wide cleaning coverage. You can adjust it up or down depending on the job you are doing.
This WHOLESUN Electric pressure washer is perfect for both indoor and outdoor use. Moreover, it is ideal for general cleaning of patios, driveways, cars, and sandblasting.
5. Greenworks Pressure Washers
You can use Greenworks pressure washers for all types of cleaning tasks including removing oil stains, debris on the driveway or porch, rusting surfaces, etc.
Listed below are some of the best Greenworks electric pressure washers models on the market today.
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Greenworks PW-1800 Electric Pressure Washer
The Greenworks PW-1800 is a professional grade pressure washer that delivers 1800 PSI of cleaning power and 1. 1 GPM of water flow to blast away dirt, grime, and mold from surfaces large and small.
The 13 amp universal motor provides the muscle needed to tackle jobs like washing vehicles, decks, siding, patios, and more. A high-quality brass garden hose connector ensures compatibility with any standard garden hose for easy setup and use.
This Greenworks pressure washer comes with a soap tank so you can wash cars without getting messy. The 20′ high-pressure hose reel also makes it easy to store the hose when not in use.
Greenworks GPW2002 is an Electric pressure washer that comes with a 13 amp induction motor. This is powerful enough to produce a 2000 PSI of pressure along with a 1.2 GPM of water flow. This unit has a 25 feet high-pressure hose and 35 feet power cord for greater reach.
It has wheels and a hose reel for easy storage and transportation. It even comes with a cable holder so you can keep all of your accessories organized in one place when not in use.
Greenworks GPW2002 features dual built-in soap tanks to make the cleaning process even easier. Moreover, it has a variety of nozzles 25°, 40° for different cleaning jobs and they are conveniently stored onboard the washer.
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Greenworks Pro GW2300 Brushless Electric Power Washer
Greenworks Pro GW2300 is a performance-tested and rated pressure washer that delivers efficient cleaning of residential areas. GW2300 is a 2300 PSI pressure washer that delivers 2.3 GPM of water flow for medium-duty cleaning projects.
The JETTFLOW technology delivers 50% more flow, reaching up to 20 feet, cleaning power, and water conservation. This Greenworks washer has an easy-to-read backlit digital control panel. It has an adjustable turbo nozzle for maximum cleaning power in hard-to-reach places like siding, sidewalks, and decks.
The Greenworks Pro GW2300 is the perfect pressure washer for your home use in bathrooms, garages, or outdoors to clean toys, wheels, or an automobile.
6. Suyncll Pressure Washer
Listed below are some of the best Suyncll pressure washers models on the market.
Suyncll 3800PSI Washer is a powerful and professional electric pressure washer, which is suitable for cleaning cars, bicycles, sidewalks, sidings, garden yard outdoor furniture, and more.
It has a 2000W motor that delivers 3800 psi at 2.6GPM of high-pressure water flow for cleaning tough dirt and grime. Its power cord is 35 feet long with GFCI protection which makes it safe to use. The 20-foot sturdy high-pressure hose allows you to reach hard-to-reach areas easily.
Moreover, its hose reel allows you to wind the hose on it quickly when you are finished using it.
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Suyncll 3500PSI Electric Pressure Washer
This Suyncll 3500 PSI, 1800 watt electric pressure washer has an adjustable spray nozzle for various cleaning tasks. This super pressure machine can be used for cleaning houses, siding, pools, decks, patios, driveways, pavers, bricks, and more.
This Suyncll 3500 PSI electric-powered pressure washer has a high-pressure water flow rate of 2.4 GPM (gallons per minute). It has a 25ft pressure hose and 5 quick connect nozzle tips for versatile cleaning options.
The Suyncll 3500PSI Electric Pressure Washer features an easy-to-pull cord that starts the engine at the touch of a button. Moreover, this electric pressure washer performs extremely well with foam cannons to clean your car or sidings.
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Suyncll 3000PSI Pressure Washer
The Suyncll 3000PSI Pressure Washer is the perfect tool for washing away dirt and grime from the driveway, fence, patio, or deck. Its high-pressure nozzle will blast away mud, dirt, and mold with ease in a matter of time.
This 3000 PSI electric power washer uses only 1600W of electricity, which means it has a low energy consumption rate. Suyncll 3000PSI Pressure Washer is a professional grade pressure washer with an impressive 2.4 GPM flow rate.
With an adjustable pressure regulator, you can change the water pressure easily so it’s perfect for almost any cleaning job.
Moreover, this pressure washer comes with a 25 ft long high-quality hose that is resistant to kinking and has strong metal construction for extreme durability.
Top Gas Powered Pressure Washer Brands
After researching the world of gas pressure washers, we have narrowed down our list to these prestigious brands as they stand out as heavy-hitters in the industry. We’ve also included a short description of each company’s best products and services offered. Following are some of the best gas pressure washer brands in the USA:
1- Champion Power Equipment Pressure Washer
The best thing about them is that they are reasonably priced, some for as low as under $350 now! They come with a nice long lance which helps you clean those difficult to reach places.
Some models even have interchangeable tips so you can change the way the water shoots out. They also come with a nice tri-wheeled cart for easy mobility and to make storage easier.
Champion Power Equipment has many Pressure washer Models, listed below are some of its famous gas pressure washer models available in the market.
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Champion 2600 PSI Gas Pressure Washer
The Champion 2600 PSI gas pressure washer is a lightweight, compact, easy-to-use washer that will deliver high performance in any commercial or residential application.
The 2600 PSI with 2.2 GPM model features an Annovi Reverberi axial cam pump which provides maximum cleaning power for any of your toughest jobs.
Champion 2600 PSI Washer has a built-in long-life brass screen filter, ergonomic comfort grip trigger gun with the anti-siphon feature, and 3 quick-change nozzle tips for your convenience. Its compact size allows it to be easily transported.
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Champion 3200PSI Dolly Style Gas Pressure Washer
The Champion Power Equipment 3200 PSI Gas Pressure Washer is a great tool for cleaning decks, patios, siding, and much more. This gas pressure washer has a high-performance Annovi Reverberi axial cam pump that delivers up to 3200 PSI and 2.4 GPM of water flow for effective cleaning power.
The ergonomic comfort grip trigger gun provides better control and easy operation while the 25-foot high-pressure hose offers extended reach for hard-to-reach areas.
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Champion 4200 PSI Commercial Duty Gas Pressure Washer
The Champion Power Equipment 4200 PSI commercial duty gas pressure washer is perfect for contractors, businesses, and homeowners with medium to large-sized cleaning jobs. It features a powerful 4.0 GPM pump that delivers up to 4000 PSI at 4 Gallons Per Minute (GPM).
This Champion 4200 PSI commercial duty washer is powered by a Champion 389cc engine that has less than 2% total annual maintenance cost, making it an extremely economical choice when compared to other machines in its class. The 4200 PSI pressure washer also comes equipped with an ergonomic comfort grip trigger gun and is conveniently located onboard the soap tank.
2- Simpson Pressure Washers
The Simpson gas pressure washer includes many different models, which can be used for a wide range of applications.
The company offers both gas-driven and electric-powered units that are available in various sizes. Some of the most popular gas pressure washers include the following:
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SIMPSON Cleaning PS3228 PowerShot Gas Pressure Washer
SIMPSON PS3228 PowerShot Gas Pressure Washer is a commercial-grade gas pressure washer. GX200 Honda powered engine delivers reliable performance, low emissions, and fuel efficiency. The welded steel construction of its frame makes it more durable than other models on the market. It has 5 quick connect nozzles that allow you to switch from soap to high pressure with ease.
The 25 feet hose length allows you to reach any area in your house, car, or truck. The nozzle tips are stored on the power cord reel which makes it easy to store back after use.
SIMPSON Cleaning PS3228 has a maximum cleaning pressure of 3300 psi and a flow rate of 2.5 gallons per minute.
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SIMPSON Cleaning MS60763-S MegaShot Gas Pressure Washer
MS60763-S MegaShot Washer is the power washer from Simpson that packs a punch. The 3100 PSI at 2.4 GPM KOHLER RH265 Premium Engine and 25 feet hose length makes this unit perfect for cleaning everything from patios, decks, cars to boats and RVs. With 5 quick connect nozzle tips, rest assured to get the job done right!
It has an axial cam pump which provides great performance and durability for your outdoor cleaning needs. This pressure washer also comes with 2 years limited KOHLER engine and 1 year limited pump warranty for added peace of mind.
Simpson MSH3125 MegaShot Gas Pressure Washer is a high-performance, commercial-grade pressure washer with 3200 PSI at 2.5 GPM Power. It comes with a Honda GC190 premium residential engine for easy start-up and operation.
This gas-powered pressure washer has 25 feet hose length, 5 quick connect nozzles, and OEM Technologies axial cam pump for optimum power transfer to the pump.
The Simpson MSH3125 Gas Pressure Washer is ideal for home use as well as professional use such as car washes, drive-throughs, vessel decks, and industrial equipment. This gas pressure washer is environmentally friendly because it saves up to 50% in fuel consumption.
3- Generac Pressure Washer
It produces gasoline-powered engines for a wide range of applications – construction, agricultural, industrial, etc. Their most popular product line is pressure washers, suitable for virtually any application, including domestic, commercial, and industrial environments
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Generac 8874 2900 PSI Gas Pressure Washer
Generac’s 2900 PSI Gas Pressure Washer is great for all your home and commercial cleaning needs. This powerful gas pressure washer delivers 2.4 gallons per minute flow rate at 2900 psi for your toughest cleaning jobs.
On one hand, its Generac OHV engine delivers high performance and reliability. While on the other hand cushioned grip and easy-to-pull trigger make this gas pressure washer comfortable to use.
Generac 8874 model comes with a Quick Change Nozzle, which allows you to switch between spray settings without having to stop the engine. It also has an onboard storage compartment for holding your spray gun when not in use.
There are no cords to deal with because this unit is powered by gas, so it’s easy to move around your property as needed.
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Generac 6565 4200 PSI Gas Commercial Pressure Washer
The Generac 6565 4200 PSI Gas Powered Pressure Washer is the perfect gas machine for home and commercial use. It comes with a 420cc OHV Engine that uses unleaded gasoline, which makes it easy to start. The engine features an overhead valve design that delivers more power in less space.
Generac 6565 pressure washer has a triplex pump that provides up to 4 gallons per minute of water flow rate at 4,200 psi pressure. It comes with five quick-connect nozzles also features an ergonomic, push-button start and pull the trigger for ease of use.
Its Pro-Grade Triplex Pump is designed for heavy-duty applications and performs well when cleaning driveways, patios, decks
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Generac 3100 PSI Gas Pressure Washer
Generac 3100 PSI Gas Pressure Washer is a lightweight pressure washer that delivers the power of gas without the noise, fumes, or maintenance of a motor. It’s perfect for homeowners looking to clean decks, patios, driveways, and other concrete surfaces. This Generac Pressure Washer features 3100 PSI at 2.5 gallons per minute flow rate.
The Generac 3100 PSI Gas Pressure Washer has an onboard detergent tank that allows you to use your favorite cleaning solutions while washing your home or business. This unit also features a cushioned grip and an easy-to-pull trigger for increased comfort during use.
Pressure Washer Accessories
Pressure washer accessories are the equipment attached to a pressure washer in order to make it into a functional unit. There are many different types of pressure washer accessories made for many different tasks. An experienced user will want several types of pressure washer accessories to get their jobs done right.
Knowing when you need one accessory versus another can help you get the job done quicker and with fewer chances of damaging your surfaces.
Pressure Washer Accessories List
In order to have a great experience with your unit, you will need to be sure that it is full of the correct pressure washer accessories. The following list includes some examples:
Hoses
Hose allows for a safe distance between you and the nozzle as well as transporting water from one place to another.
Spray Nozzle
This is the thing that makes the high-pressure stream and is generally rated for different pressure ranges.
Pressure Washer Wand
The long, straight tube allows you to aim and direct your spray nozzle. It is usually measured in terms of “GPM” (gallons per minute) and “psi” (pounds per square inch).
Pressure Washer Detergent Tank
This is where you add your detergent to clean your surfaces with more detail. The tank is connected to the wand so that they are always together without making a mess of the unit.
BAR/HANDLE
This is used if you have a detergent tank and want to attach it so that you can use two hands.
Pressure Washer Spray Gun
This is a handheld device with a trigger and spray nozzle. It may be useful for smaller jobs where there isn’t space to set up your long wand, or if you just don’t feel like hauling around such a big machine.
Pressure Washer Surface Cleaner
Pressure Washer Surface Cleaner is a high-pressure water washer machine that is fitted with a dirt-removing nozzle. The unit comprises a motor pump that has an inlet for the water connection and another inlet for the high-pressure hose. A gun is attached to one end of the hose which has a trigger mechanism to control the water flow, while the other end contains nozzles in descending order of dirt-removing power. These nozzles are fitted on a rotary spinner with wing nuts used for tightening or loosening them. Surface Cleaner attaches to the front of your wand and can help you remove dirt from flat surfaces such as sidewalks, floors, and even cars without damaging them.
Pressure Washer Sandblasting kit
The pressure washer sandblaster is a toolkit for outdoor applications, in which a water jet is used to clean the surfaces in an efficient manner. It can be used on tiles, stones, bricks, and others to restore their luster. Besides that, it can also be used in garages or car-painting shops to clean the surfaces of the cars. It provides several benefits over other conventional methods such as brushing and can save a lot of time and cost with proper usage. Learn here more!
Pressure Washer Foam Cannons
A foam cannon is a device that attaches to the end of your garden hose in order to disperse soap through the water coming out of the hose nozzle. What this does is create foam at the point where you are cleaning. This is added pressure to the cleaning process in that it helps break down grime and dirt on contact. You can use any soap, but foam can non-specific soaps are available for popular chemicals like Simple Green. This device is also known as a foam gun or foam lance. These are more commonly used in commercial applications where pressure washers are already in place.
