> General Terms


the biggest pressure washing glossary on the web


Bypass Mode:


Caution! Engaging bypass mode diverts water flow away from the spray nozzle when you release the trigger, allowing the pump to cool down. However, prolonged use in this mode can spell trouble, leading to overheating and potential pump damage. Remember to avoid extended bypass mode operation for optimal pump longevity and performance. Handle with care for a pressure washer that goes the distance.


Cold water pressure washing:


When heat is not required, cold water pressure washing gets the job done! It’s great for routine cleaning of surfaces like house siding, decks, and vehicles, and is more energy-efficient since it doesn’t require heating.


Commercial pressure washing:


Blast away dirt and grime on a larger scale with commercial pressure washing! Perfect for storefronts, sidewalks, and parking lots, it leaves a professional impression that speaks volumes!


CU (Cleaning Unit):


CU is a vital performance indicator in the realm of pressure washing, denoting the cleaning power of a pressure washer. It’s a calculated value obtained by multiplying the PSI (pounds per square inch) by the GPM (gallons per minute) of a pressure washer. A higher CU signifies greater cleaning prowess, making it a valuable metric for comparing different pressure washer models and making an informed choice based on your specific cleaning needs.


Detergent/chemical injector:


A feature on some pressure washers that allows for the introduction of detergents or chemicals into the water stream, enhancing the cleaning power and effectiveness for removing tough stains, grease, and grime.




Cleaning solutions or chemicals that are specifically formulated for use with pressure washers, designed to help break down and remove dirt, grease, mold, mildew, and other contaminants from surfaces.


Detergents and cleaning agents:


The trusty sidekick of pressure washers, these specialized cleaning solutions are designed to enhance the cleaning power of your pressure washer. From degreasers to soaps to mildew removers, these detergents and cleaning agents are formulated to work in tandem with pressure washers for optimal results.


Direct Drive:


Ah, direct drive, the simple yet fiery passion of pressure washer systems. In this setup, the pump and engine are joined at the hip, spinning in perfect harmony at the same speed, usually around 3,800 RPM. It’s a straightforward affair with fewer moving parts, which means less hassle and expense, right? Well, yes and no, my fellow pressure washer aficionado. While direct drive may be simple and cost-effective, it’s not all sunshine and rainbows. The high speed at which the pump spins takes a toll on those bearings, causing wear and tear that can cut the pump’s lifespan short. It’s a trade-off, my friend. You weigh the pros and cons and decide if direct drive is your cup of tea.


Downstream chemical injector:


A clever feature that allows you to introduce chemicals or detergents into the water stream after the pump, making it safer for delicate surfaces. This injector mixes the chemicals downstream from the pump, ensuring maximum effectiveness without risking damage to the pressure washer.




Banish the powdery white residue caused by mineral leaching from masonry surfaces! Pressure washing with the right technique and cleaning agents can make efflorescence vanish and restore the original surface beauty.


Environmental considerations:


As responsible pressure washers, it’s crucial to keep Mother Nature in mind. This involves using eco-friendly detergents, avoiding excessive water usage, and disposing of chemicals properly. Let’s protect our planet while making surfaces shine!


GPM (gallons per minute):


The measurement of the water flow rate from a pressure washer, indicating the volume of water being used per minute for cleaning.


Graffiti removal:


Fight back against graffiti with the power of pressure washing! Using graffiti removal agents and detergents, along with the right equipment and technique, it’s a formidable method for restoring the visual appeal of affected areas.


Hard water stain removal:


Hard water stains no more! Pressure washing with specialized cleaners, the right nozzle, and technique can dissolve and wash away stubborn mineral deposits from glass, tiles, and fixtures, leaving them sparkling clean.


High-pressure hose:


The conduit that delivers pressurized water from the pump to the nozzle! High-pressure hoses are designed to handle the intense pressure of pressure washers and are typically made of durable materials like reinforced rubber or braided steel for long-lasting performance.


Hose reel:


Keep your pressure washer hose organized and tangle-free with a hose reel! It’s a convenient accessory that helps extend the life of the hose and makes storage and transportation easier.


Hot water pressure washing:


Harness the power of heat to tackle stubborn grime and grease with hot water pressure washing! The heated water helps dissolve dirt and grease faster, making it ideal for heavy-duty cleaning tasks.




Short for 1,000-volt amps, KVA is a unit of measurement that expresses power factor. It’s calculated by multiplying the voltage by the amps and is commonly used in electrical systems to determine power requirements and capacity.


Max Temp Inlet (°C):


The maximum temperature of the water that can be fed into a power washer. Hot water provides extra cleaning power for tough dirt like grease and grime, but some pressure washers require a separate heater for hot water. The maximum inlet temperature indicates the highest level of hot water the machine can handle. It’s important not to exceed the design inlet temperature for hot water pressure washing, as it can damage the internal components.




The attachment on the end of the pressure washer wand that controls the spray pattern and intensity of the water, allowing for precise cleaning and versatility in different cleaning applications.


Nozzle selection:


The right nozzle is crucial for achieving the desired cleaning results. Nozzles come in various sizes and spray patterns, and choosing the right one for the job is essential. Smaller angles like 0-degree provide intense cleaning power, while larger angles like 40-degree offer wider coverage. It’s all about nozzle know-how for the best performance!




If you’re in the world of pressure washing, you’ll encounter NPT – the National Pipe Thread. It’s the standard used in the US for measuring tapered threads on threaded pipes and fittings. The unique taper on NPT threads creates a tight seal when tightened, ensuring a leak-free connection. It’s the go-to thread for reliable and durable connections in the pressure washing world!


Post-cleaning care:


The final touch after pressure washing is crucial! It involves rinsing off cleaning agents, drying the surface, and applying sealants for lasting protection. It’s the cherry on top for a job well done!


Pressure washer:


The ultimate cleaning machine that uses high-pressure water to blast away dirt, grime, and debris from surfaces such as driveways, decks, and siding.


Pressure washer accessories:


Enhance the versatility and performance of your pressure washer with accessories! Examples include surface cleaners, extension wands, foam cannons, and gutter cleaners, which can make specific cleaning tasks easier and more effective.


Pressure washer hose:


The durable and flexible hose that connects the pressure washer to the nozzle or other attachments, delivering high-pressure water from the machine to the cleaning surface.


Pressure washer maintenance:


Keep your machine in tip-top shape with regular maintenance! From cleaning or replacing filters to checking hoses and connections, it ensures peak performance and longevity.


PSI (pounds per square inch):


The measurement of the pressure output of a pressure washer, indicating the force with which water is sprayed onto a surface.




The heart of the pressure washer! The pump generates the pressure required for cleaning by drawing in water and pressurizing it before sending it through the nozzle. Types of pumps include axial, triplex, and plunger pumps and others.




Start with ease! Purging is the key to banishing air from your pressure washer system, making engine startup a breeze. By purging the air, you’ll optimize your system performance, ensuring smooth operation and preventing pesky starting issues. Don’t skip this crucial step for a hassle-free and efficient cleaning experience.


Recoil Start:


A method of starting a petrol or diesel engine, where pulling the recoil cord cranks the engine and initiates combustion, commonly used in small engines for pressure washers.


Revolutions per Minute (RPM):


A unit of measurement that quantifies the number of full turns the pressure washer engine completes in each minute, indicating the speed at which the engine operates.


Rotary surface cleaning:


Level up your cleaning game with a spinning surface cleaner attachment! It covers more ground, saves time, and delivers consistent results on large flat surfaces like driveways and patios.


Rotating surface cleaner:


The ultimate weapon for cleaning large flat surfaces with precision and efficiency. This attachment boasts a rotating arm with high-pressure nozzles that spin rapidly, providing a thorough and even cleaning experience. Say goodbye to streaks and hello to sparkling clean surfaces!


Rust removal:


Say goodbye to unsightly rust stains! Pressure washing with specialized rust removers, the right nozzle, and technique can effectively eliminate rust stains and bring back the pristine look of surfaces.


Safety precautions:


Safety first, always! Pressure washing involves high-pressure water and chemicals, so wearing protective gear like goggles, gloves, and sturdy footwear is a must. It’s also crucial to follow manufacturer’s instructions, use the right equipment, and be mindful of surroundings to prevent accidents.


Skid Mount:


This term is used for a type of pressure washer that is mounted onto a fabricated platform, as opposed to a mobile trolley. Skid mount pressure washers are stationary and do not move, making them suitable for fixed locations where mobility is not required.


Soft washing:


This technique is a specialized approach in the pressure washing world, where low-pressure sprays and specially formulated cleaning solutions are used to delicately clean surfaces without any harsh impacts. It’s like a spa day for your surfaces! Soft washing is perfect for treating sensitive areas like roofs, siding, wood, and painted surfaces with care. It effectively removes dirt, algae, mold, and other pesky contaminants, while keeping the surfaces safe from damage or erosion. It’s the go-to method when you need a gentle touch for a thorough clean. Trust me, as a seasoned pressure washing pro, soft washing is a top-notch choice for surfaces that require that extra TLC!


Stain removal:


It is an unmbrella term. Whether it’s oil stains on a driveway or mildew on a deck, pressure washing can tackle various types of stains. The high-pressure water and cleaning agents work together to break down and remove stubborn stains, revealing a clean and fresh surface.


Surface cleaner:


A specialized attachment for pressure washers that resembles a large rotating brush or disc, designed to clean large flat surfaces such as sidewalks, driveways, and patios more efficiently and evenly.


Surface preparation:


Proper surface preparation is the key to a successful washing job. This involves removing debris, loose dirt, and other obstacles from the surface to be cleaned. It ensures that the technician can do its job effectively and efficiently, resulting in a spotless finish.


Surface preparation chemicals:


Specialized chemicals that are used in conjunction with pressure washing to prepare surfaces for painting, sealing, or other treatments, by removing dirt, grease, old paint, or other surface coatings to ensure proper adhesion and longevity of the applied finish.


Trigger gun:


The handheld device that controls the flow of water from the power washer, allowing the user to start and stop the water flow as needed during the cleaning process.


Turbo nozzle:


The powerhouse of pressure washer nozzles! Also known as a rotating or turbo jet nozzle, it creates a powerful and concentrated spray pattern that combines high pressure and high impact for tough cleaning tasks, such as removing dirt, grime, and moss from hard surfaces.


Two Wire:


This term refers to a type of high-pressure hose that has two wires wrapped in a helix inside the wall of the hose, allowing it to withstand higher pressures. Two-wire hoses are generally capable of operating at higher pressures compared to one/single wire hoses.


Unloader valve:


An essential safety feature. The unloader valve regulates the pressure by diverting excess water back into the pump when the trigger gun is released, preventing pressure build-up and protecting the pump from damage.


Water conservation:


It’s important to be mindful of water usage while washing. Using lower GPM, avoiding prolonged spraying on the same spot, and using a trigger gun to control water flow can all help conserve water. Let’s make every drop count!


Water pressure and flow rate:


The power duo that determines pressure washer performance! PSI for pressure and GPM for flow rate. Finding the sweet spot is key to achieving optimal results for different surfaces and tasks.




The PSI and GPM are like a dynamic duo, working in tandem to achieve optimal results. PSI stands for pounds per square inch and reflects the force or pressure generated by a pressure washer, while GPM refers to gallons per minute, which indicates the rate of water flow. Finding the perfect balance between PSI and GPM is crucial to have a system that can effectively tackle diverse cleaning tasks and surfaces with finesse.

> Pressure Washer Types


different types of pressure washers


Belt-driven pressure washer:


These smooth operators use a belt-driven system to connect the engine or motor to the pump, resulting in a refined operation with reduced vibration and increased durability. They’re typically more powerful, perfect for frequent and heavy-duty use in demanding cleaning tasks. Get ready for a smooth and powerful cleaning experience with these belt-driven beasts.


Cold water pressure washer:


These powerhouses rely on cold water and high pressure to blast away dirt, dust, and debris from outdoor surfaces with sheer force. Suitable for general cleaning tasks, these no-nonsense machines are perfect for keeping your outdoor spaces clean and sparkling. Get ready to unleash a torrent of cleaning power with a refreshing burst of cold water.


Direct-drive pressure washer:


These compact and lightweight warriors use a direct-drive system to connect the engine or motor to the pump, resulting in a nimble and agile design. They’re typically more affordable and suitable for occasional or light-duty use, making them a practical choice for small-scale cleaning tasks. Gear up for efficient and economical cleaning with these direct-drive dynamos.


Electric pressure washer:


These sleek machines are powered by electricity, offering a lightweight and portable solution for smaller areas and lighter cleaning tasks. They’re perfect for cleaning decks, patios, and vehicles, providing efficient and effective cleaning without the need for gas or fuel. Plug in and power up for a convenient and eco-friendly cleaning experience.


Gas-powered pressure washer:


These bad boys are fueled by a roaring gasoline engine, packing a punch with high pressure and flow rates that make them the go-to choice for heavy-duty cleaning tasks. They’re built tough, ideal for larger areas and tackling tough stains that need some serious blasting power. Get ready to unleash the beast and conquer dirt and grime with ease.


Hand-carry pressure washer:


Nimble and lightweight. They are designed for on-the-go cleaning, with compact size and easy portability in mind. Perfect for smaller cleaning tasks, they’re commonly used for residential and light commercial applications where mobility is key. Carry them by hand and conquer dirt and grime with convenience and ease.


Hot water pressure washer:


These fire-breathers use heated water in addition to high pressure to melt away dirt, grease, and grime with scorching efficiency. Ideal for tackling tough and stubborn stains, such as oil stains on driveways or cleaning greasy equipment, these hot water pressure washers are the ultimate weapon for heavy-duty cleaning tasks that require the power of heat.


Propane-powered pressure washer:


These freedom fighters are powered by propane gas, providing unmatched portability and independence from electrical power sources. Perfect for outdoor settings or remote locations, they’re ready to tackle tough cleaning tasks without being tied down by cords or outlets. Unleash the power of propane and take your cleaning adventures to new heights with these versatile and mobile machines.


Stationary pressure washer:


These heavy-duty workhorses are permanently installed in a fixed location, ready to take on continuous cleaning operations in commercial and industrial settings. Connected to a water source and electrical supply, they’re built to handle the toughest cleaning challenges with relentless power and endurance. Station yourself for uncompromising cleaning performance with these robust and reliable systems.


Trailer-mounted pressure washer:


These mobile marvels are mounted on a trailer for unparalleled mobility and versatility. Designed for commercial and industrial applications, they’re built to tackle large-scale cleaning projects or remote locations with ease. Hitch up and hit the road to take your cleaning game to the next level with these powerful and portable pressure washers.

> Pressure Washer Components and Parts


different parts & accessories of pressure washer


Automatic Cool Down System (Thermal Relief):


This system in a pressure washer cycles water through the pump when the water temperature reaches 125 – 155 degrees F, preventing internal pump damage. Warm water is discharged onto the ground, allowing the pump to cool down.


Belt Drive:


A type of power transmission system where a belt connects the engine and pump, allowing the pump to run at a lower RPM than a direct drive pressure washer. Belt-driven units offer advantages such as vibration absorption, operating at lower temperature, and longer projected lifespan.




Also known as a carrier for quick releases, this term is used for the receiving side of a quick release set that accepts the male side. It is also the name of the internal thread of a pipe fitting used in plumbing.


High Pressure Outlet:


The high-pressure outlet is the epicenter of power on a pressure washer, where the intense force of the pressurized water emanates. Typically located on the pump or the main body of the pressure washer, it’s designed to handle the high-pressure demands of the system. This is where the high-pressure hose is connected, channeling the mighty force of the pressurized water to the spray gun or other attachments for targeted and effective cleaning action.




The lance, oh the mighty lance! It’s the bridge that connects the trigger gun to the nozzle, the conduit through which the cleaning magic flows. But not all lances are created equal, oh no! Length matters, material matters, and flexibility matters! A longer lance means greater reach, allowing you to conquer those hard-to-reach spots. The material and flexibility of the lance determine its durability and performance, my friend. Choose wisely! It’s the key to unlocking the full potential of your pressure washer and achieving cleaning greatness!




Also known as a probe for quick releases, this refers to the spigot or plug side of a quick release set that connects into the female side.


OHV (Overhead Valve):


Revolutionary OHV Technology takes internal combustion engines to new heights, boasting unmatched efficiency, superior cooling, and reduced emissions. With valves positioned overhead, OHV optimizes combustion for peak performance, setting a new standard in power and sustainability. Say goodbye to traditional valve control and embrace the cutting-edge innovation of OHV, making engines more potent, cooler, and eco-friendly.


OHVI (Overhead Valve Industrial):


When it comes to durability and performance in the most demanding environments, accept no compromise. Enter OHVI, the industrial-grade version of the renowned OHV engine. Built tough to withstand the harshest conditions, OHVI delivers unwavering reliability, durability, and power, making it the go-to choice for heavy-duty applications where only the best will do.


Open Gun:


Say goodbye to hand fatigue with the open gun – a common type of pressure washer spray gun that keeps water flowing without needing to constantly squeeze the trigger. Perfect for those long washing sessions, the open gun lets you work comfortably without straining your hand. It’s a game-changer for professional technician who need to work for extended periods of time!


Pressure Gauge:


Knowledge is power, and the pressure gauge is your window into the performance of your pressure washer. Providing vital information on working pressure and peak pressure, this gauge is your trusty ally in monitoring and adjusting pressure levels for optimum results and safe operation. Keep an eye on the gauge, take control of your pressure washer, and achieve the cleaning prowess you desire.


Pressure Washer Gauge:


A gauge is a sophisticated component that brings together a chemical seal and a pressure gauge, creating a harmonious blend of precision and performance. Its circular-shaped, convoluted membranes, clamped between flanges, are akin to an engineering marvel. A metal pushrod, welded to the diaphragm, serves as the conduit for translating the deflection of the diaphragm into rotational motion of the pointer. This gauge provides real-time insights into the pressure generated by the pressure washer, allowing operators to monitor and adjust settings on the fly with confidence.


Quick Release:


A convenient coupling found on both high and low pressure hoses, triggers, and lances that allows for easy and tool-free fitting and removal, saving time and effort during setup and teardown.




Pressure control at your fingertips! The unloader is your trusty companion in regulating water pressure in the pump when the spray flow is obstructed. It’s the ultimate safety feature that keeps pressure at safe levels, safeguarding your pump and other components from potential damage. Keep it in check for reliable performance and peace of mind during your pressure washing adventures.


Weep Gun:


Protect your pressure washer from freezing with the weep gun! This type of trigger gun allows a small amount of water to flow even after the trigger is released, preventing water from freezing and damaging your equipment. Weep guns are commonly used in car wash environments where freezing temperatures are a concern. It’s a simple yet effective solution to keep your system in top shape, no matter the weather!

> Nozzle Types


image of all types of nozzles


0-Degree Nozzle (Red Tip):


It is also called a pinpoint or blasting nozzle, emits a narrow, concentrated stream of water with the highest pressure. It’s perfect for tough cleaning tasks that require maximum cutting power, like removing stubborn dirt, grime, and paint. However, caution is necessary as the high pressure and pinpoint spray pattern of the 0-degree nozzle can potentially cause damage to surfaces or objects.


15-Degree Nozzle (Yellow Tip):


Known as a chiseling nozzle, it produces a narrow, high-pressure spray pattern ideal for removing dirt, mud, and debris from hard surfaces like concrete or metal. It’s commonly used for heavy-duty cleaning tasks that require more pressure than a 25-degree or 40-degree nozzle, but less than a 0-degree nozzle.


25-Degree Nozzle (Green Tip):


Also referred to as a general-purpose nozzle, this nozzle creates a medium-width spray pattern that’s suitable for a wide range of cleaning tasks, such as decks, siding, driveways, and vehicles. It strikes a good balance between pressure and coverage, making it one of the most commonly used nozzles for general washing tasks.


40-Degree Nozzle (White Tip):


Known as a wide-angle nozzle, this nozzle produces a wider spray pattern that’s suitable for light-duty cleaning tasks like washing windows, screens, and delicate surfaces. It’s less aggressive than narrower spray patterns, making it ideal for more delicate or sensitive surfaces that require less pressure to avoid damage.


65-Degree Nozzle (Black Tip):


Also known as a low-pressure nozzle, it produces the widest spray pattern and the lowest pressure, making it ideal for applying detergent or soap for pre-treatment or chemical cleaning. It’s often used for applying cleaning solutions, detergents, or chemicals to surfaces before using higher-pressure nozzles for rinsing or cleaning.


Threaded Nozzle:


When it comes to pressure washer nozzles, threaded nozzles are the OGs. These nozzles thread directly to the end of your lance or other fittings, providing a reliable and secure connection. Available in different sizes, threaded nozzles are typically made from hardened stainless steel, ensuring durability and longevity. They’re a staple in the pressure washing world for their versatility and performance!


Quick Disconnect Nozzle:


Need to switch between nozzle sizes and spray angles in a flash? Enter the quick disconnect nozzle! It’s a nozzle with a plug that easily fits into a quick connect socket on the end of your lance, allowing you to change nozzles quickly and effortlessly. With color-coded plastic grips indicating spray angles, the quick disconnect nozzle is a time-saving and convenient tool for pressure washing pros!

> Pumps & Compressors


Axial Cam Pump:


The cool kid on the block, also known as an axial plunger pump, uses a rad cam mechanism to drive those plungers back and forth, creating a high-pressure water flow that gets the dirt and grime to hit the road. It’s typically found in smaller or consumer-grade pressure washers because of its compact size and budget-friendly price.


Belt-Driven Pump:


The smooth operator, this pump uses a belt and pulley system to connect the engine or motor to the pump, keeping things running silky smooth and quiet. It’s commonly found in larger or industrial-grade pressure washers that need that extra oomph for longer duty cycles and higher power cleaning. It’s the choice for those who want the best of the best in terms of performance and reliability.




Beware of the bubbles! Cavitation occurs when thousands of bubbles collapse with a bang inside the pump due to inadequate water supply at the inlet. The result? Pitted metal surfaces and damaged seals, spelling trouble for your pump. Avoid the dreaded cavitation by ensuring a steady water supply to the pump. Protect your pump from harm, and keep your pressure washer performing at its best.


Ceramic vs. Nonceramic Plungers:


The plunger, oh the mighty plunger! It’s the beating heart of a pressure washer pump, tirelessly moving back and forth between rubber seals, creating that oh-so-satisfying flow and pressure we all crave. But not all plungers are created equal, my friend. Oh no! Industrial-grade pumps know the secret sauce, and it’s called ceramic. Yes, ceramic plungers are the crème de la crème, with their smooth-as-silk surface that extends the life of those seals like nobody’s business. And here’s the kicker – ceramic doesn’t wear! But beware of non-ceramic imposters, for they can wear down and put a damper on your pressure washer’s performance, reducing the life of those precious seals. Don’t settle for less, my friend. Ceramic is the way to go!




A safety feature that prevents the pump from overheating by stopping the pump immediately when the trigger is released, ensuring efficient and safe operation of the pressure washer.


Gearbox Pumps:


Enter the mighty gearbox pumps, the unsung heroes of pressure washer systems. These bad boys come armed with a gear reduction box, nestled snugly between the pump and the motor, slowing things down to around 1600 RPM, or half the speed of direct drive pumps. It’s like the tortoise and the hare, my friend, with gearbox pumps taking the slow and steady approach. And what’s the payoff, you ask? Well, my savvy pressure washer enthusiast, the slower speed means less wear and tear on those precious seals and valves, translating to lower maintenance costs and a longer pump lifespan. It’s a smart investment, my friend, for those in it for the long haul!


High-Pressure Pump:


The pump is the unrivaled powerhouse that drives the entire pressure washer system, embodying the very essence of power and performance. It’s responsible for drawing water from an external source, such as a garden hose attached to a faucet, and propelling it with formidable force to achieve pressures as high as 3000 to 5000 PSI. In comparison, a regular garden hose seems feeble, generating only a fraction of that pressure. The pump can come in different configurations, from industrial-grade triplex pumps with three plungers to duplex pumps with two plungers, each contributing to the overall cleaning power and efficiency of the pressure washer. The pump is the driving force that empowers the system to take on tough cleaning challenges with unwavering might and prowess.


Reciprocating Compressor:


It is also known as a piston compressor, uses a piston and cylinder to crank up the air or gas, then blasts it into the pressure washer to create that intense high-pressure water spray. It’s usually found in smaller or portable pressure washers and has a simple yet effective design that gets the job done.


Roller Pump:


This type of pump is popular in agriculture and is designed to work well with chemicals. Fluid is received by the pump and moved by internal rollers before being ejected under pressure. Roller pumps are commonly used in agricultural spraying applications and other tasks that require chemical injection.


Rotary Screw Compressor:


The boss of the block, this one uses a slick rotary screw mechanism to squeeze the air or gas, and it’s all about heavy-duty performance. It’s commonly found in larger or industrial-grade pressure washers that mean serious business. With its continuous duty cycle and top-notch efficiency, it’s built to handle those prolonged, tough cleaning tasks like a pro.


Thermal Relief Valve:


Protect your pump from the heat! The thermal relief valve is a critical safety feature that prevents pump damage during prolonged bypass mode operation. When water temperature in the pump rises to dangerous levels, this smart valve steps in. It opens up, releasing scorching hot water and allowing cold water to enter, thwarting pump damage. Stay cool, keep your pump safe, and ensure your pressure washer’s longevity with the thermal relief valve.


Triplex Plunger Pump:


The powerhouse of the pump world, this one brings the big guns with its three plungers arranged in a triangular formation. It’s all about efficiency and performance, making it perfect for heavy-duty or professional-grade pressure washers. Known for its durability and ability to handle high-pressure and high-volume applications, it’s the go-to choice for pros.

> Chemical Related to Pressure Washing


image of bottle of bleach


Acid cleaners:


Cleaning agents with a low pH that exhibit exceptional efficacy in removing mineral deposits, rust, and other stubborn stains from surfaces. Acid cleaners are typically used in pressure washing and soft washing for specific applications, such as eradicating rust stains from metal surfaces or eliminating mineral deposits from glass or tile.


Alkaline cleaners:


Powerful cleaning agents with an elevated pH that are highly effective in eliminating grease, oil, and tenacious dirt from surfaces. Alkaline cleaners are frequently employed in pressure washing and soft washing to clean concrete, masonry, and other resilient surfaces.


Biodegradable cleaners:


Eco-friendly cleaning agents that are designed to naturally degrade without causing harm to the environment. Biodegradable cleaners are commonly employed in pressure washing and soft washing to minimize the impact on the environment and promote sustainable cleaning practices.




A robust chemical commonly employed in pressure washing and soft washing for its unparalleled ability to eradicate mold, mildew, and algae. Bleach-based solutions, such as sodium hypochlorite, exhibit exceptional sanitizing properties and are effective in eliminating stubborn stains, but must be handled with care and diluted appropriately to avoid damage to surfaces and surrounding vegetation.




A potent cleaning solution that is utilized in power washing and soft washing to tackle dirt, grime, mold, mildew, and other contaminants from surfaces. Detergents are meticulously formulated with specialized ingredients that are tailored to target specific stains and surfaces, and they are combined with water and pressure to heighten the efficacy of cleaning.




Chemicals utilized in pressure washing and soft washing detergents to dissolve and eliminate oil, grease, and other persistent contaminants from surfaces. Emulsifiers work by breaking down the molecular structure of contaminants, allowing them to be rinsed away with water.




Picture this – two liquids that normally don’t mix, like oil and water, coming together in perfect harmony. That’s what an emulsion is – a magical mixture of two or more liquids that blend together, creating a whole new solution with unique properties. Think of mayonnaise or salad dressing – those creamy, dreamy concoctions are perfect examples of emulsions!


Hypo (SH):


Short for Sodium Hypochlorite this is a corrosive chemical commonly used in the cleaning industry. It’s often used as a bleach or disinfectant in pressure washing applications for cleaning and sanitizing various surfaces.


Mold and mildew inhibitors:


Chemical additives incorporated in pressure washing and soft washing detergents to prevent the growth of mold and mildew on surfaces post-cleaning. These inhibitors prolong the efficacy of pressure washing and soft washing treatments and effectively deter future regrowth.




Chemicals employed to restore the natural pH balance of surfaces post pressure washing or soft washing, safeguarding delicate surfaces, such as painted or stained surfaces, from potential damage caused by residual cleaning agents. Neutralizers are frequently utilized in soft washing applications to maintain the integrity of delicate surfaces.


Oxidizing agents:


Potent chemicals that release oxygen upon contact with contaminants, facilitating the breakdown and removal of stains and discoloration from surfaces. Examples of oxidizing agents employed in pressure washing and soft washing include hydrogen peroxide, sodium percarbonate, and sodium perborate.


Sodium Hydroxide (Caustic Soda):


This powerful chemical is a force to be reckoned with in the cleaning industry. It’s incredibly alkaline and has an unrivaled ability to dissolve organic matter, tackle stubborn stains, and cut through even the toughest grease and grime. Keep in mind that it can cause harm to your health! Caustic soda can cause severe burns and irritation to the skin and eyes, so handling it with care is an absolute must.


Sodium Hypochlorite:


Brace yourself for some serious cleaning power with sodium hypochlorite! This potent and corrosive chemical is a go-to choice in the cleaning industry for its bleaching and disinfecting properties. It’s commonly used for sanitizing surfaces and treating water in swimming pools, thanks to its powerful oxidizing abilities that can tackle stains, mold, mildew, and bacteria with ease. However, caution is key, as sodium hypochlorite can cause skin and eye irritation if mishandled. So, always follow proper safety guidelines when working with this chemical powerhouse.




An ingenious chemical additive that is incorporated in pressure washing and soft washing detergents to diminish surface tension, allowing water to spread evenly and enhance the contact and cleaning efficiency of the detergent on surfaces.

> Accessories


Flat Surface Cleaners (FSC):


These are tools used in the pressure washing industry to quickly clean large areas. They are typically round and have multiple jets on a swiveling arm, making them efficient for cleaning flat surfaces like driveways, patios, and sidewalks.


Rotary Brushes:


When it comes to tackling tough cleaning tasks, rotary brushes are the knights in shining armor, ready to vanquish dirt and grime with gusto. These bad boys come in two flavors – natural bristle and nylon bristle. Natural bristle brushes are the gentle giants, ideal for delicate surfaces like painted finishes. But if you need to go hardcore on stubborn grime, nylon bristles are the heavy-duty warriors you need, my friend. They’re built tough for those brick and cement battles! And here’s the secret sauce – rotary brushes are typically low-pressure types, designed to work hand-in-hand with soap injectors, making them a versatile tool in your cleaning arsenal. Get ready to scrub your way to victory!


Snow Foam Lance:


When it comes to cleaning vehicles, the snow foam lance is a must-have accessory! It fits snugly on the end of the lance and unleashes a blanket of foam that covers a large surface area. This magical foam loosens mud and dirt, making it a breeze to clean your car, truck, or other vehicles. Get ready to experience the joy of snow foaming!




Extend your reach! The wand is your go-to tool for directing water away from the gun or nozzle. With precision control over spray direction and intensity, this versatile device lets you target your cleaning efforts with finesse. It’s a must-have component for any washing task, giving you the flexibility and accuracy to tackle every cleaning challenge.


Water Fed Poles (WFP):


These are lightweight telescopic poles that are widely used for window cleaning. They can also be converted into high-pressure poles for use with a nozzle/small FSC (Flat Surface Cleaner) and pressure washer for cleaning roofs and high-reach areas.

> Health & Safety


technician safety gear


Chemical safety:


Handle chemicals like a pro! Proper storage, handling, and disposal of chemicals and detergents is a must in pressure washing. With ventilation smarts, protective gloves and eyewear, and strict adherence to Material Safety Data Sheets (MSDS), you’ll ace the chemical safety game. Handling chemicals for pressure washing requires caution. Always read and follow the instructions on the label, wear appropriate protective gear, and store chemicals properly. It’s crucial to handle chemicals safely to protect yourself, others, and the environment.


Electrical safety:


Zap-proof your pressure washing game! Understanding electrical hazards is vital. Nail proper grounding of equipment, steer clear of water contact with electrical components, and adhere to electrical safety codes and regulations to keep things shockingly safe.


First aid and emergency preparedness:


Be the first responder! First aid and emergency preparedness are non-negotiable in pressure washing. With a well-stocked first aid kit on site, CPR and life-saving know-how, and a solid plan for accidents or emergencies, you’ll be the hero in any situation.


Hazard identification and risk assessment:


Spot the danger, assess the risk! Identifying potential hazards and assessing risks is a pressure washing skill. Evaluate the environment, surfaces, chemicals, equipment, and other factors to ensure safe and effective operations. Keep your risk radar sharp!


High-pressure water safety:


Tame the pressure beast! High-pressure water used in pressure washing can be a beast. But fear not! With safe nozzle usage, maintaining a safe distance from surfaces, and nailing the right pressure settings, you’ll keep cuts, abrasions, punctures, and eye injuries at bay.


Operator training and certification:


Level up your skills! Proper training and certification are crucial for pressure washing operators. Master equipment operation, safety protocols, and best practices, and obtain recognized certifications to level up your skills and ensure top-notch performance.


Personal Protective Equipment (PPE):


Gear up for safety! Personal Protective Equipment (PPE) is a must in the pressure washing game. From safety goggles to gloves, boots to hearing protection, and protective clothing, learn how PPE shields you from high-pressure water, harsh chemicals, and flying debris.


Pressure washing safety guidelines:


Master the art of safe pressure washing with these comprehensive guidelines! From nailing proper equipment operation to handling chemicals and detergents like a pro, working at heights without breaking a sweat, and sidestepping electrical hazards, these tips keep you in the safety zone.


Safe work practices:


Work smart, stay safe! Safe work practices are the backbone of pressure washing. From maintaining proper body posture, avoiding overreaching, and maintaining stability to practicing safe techniques, you’ll rock the pressure washing game with style and safety.


Slip and fall prevention:


Stay on your feet! Slip and fall prevention is key in pressure washing. With the right footing, non-slip shoes, and smart moves on slippery surfaces, along with safe use of ladders or scaffolding, you’ll keep accidents at bay and rock your pressure washing game.