Homeowners looking to wash their cars or perform routine housecleaning may only require an electric pressure washer; any higher pressure or wider spray may prove counterproductive.
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Pressure
No matter the cleaning task at hand – from restaurants and shops to maintaining homes and gardens – few pieces of equipment are more versatile than a pressure washer. Finding one suitable for your business begins by understanding exactly how much power will be necessary to accomplish its goals.
PSI and GPM are among the most crucial specifications to look out for when purchasing an air compressor. PSI represents how much force a machine exerts per square inch while GPM measures how much water exits per minute from it.
Consumer-grade gas models usually feature 2000 PSI with 1.6 GPM of pressure, enough for safely spraying down your steps or washing away dirt from your car. However, heavier-duty jobs require higher-powered models. Ryobi’s brushless electric model offers all the power of gas without the hassle or cost associated with fuel and can reach 3000 PSI with 1.1 GPM maximum pressure at Home Depot.
Water Flow Rate
Pressure washers have many uses around the home, but selecting an appropriate model is crucial. Specifications to keep in mind include PSI pressure (pounds per square inch) and water flow rate, measured in gallons per minute (GPM).
Higher psi means a more powerful spray, but too much pressure could damage surfaces or strip paint off, leaving permanent etchings behind. To minimise risk, compare different models’ psi and gpm ratings before purchasing.
Once again, consider whether or not your washer will be used at home or on a job site before selecting an electric or gas-pressure washer. For use at job sites, gas pressure washers that reach at least 2,000 PSI and 2 to 3 GPM provide more stain-removal power for faster cleanups while remaining more mobile than their electric counterparts – such as connecting directly to garden hoses instead of power cords.
Nozzles
One of the most vital parts of a pressure washer is its spray tip. This component creates a specific spray pattern that determines how much pressure the water produces and which surfaces you can clean. Look for interchangeable, colour-coded nozzles that can quickly switch out for different tasks – these tend to be easier and faster to use than all-in-one adjustable nozzles which may prove cumbersome in use.
Red nozzles create a thin, high-pressure stream which is perfect for clearing away hardened dirt such as tar or caked mud from surfaces. However, its power can damage wood and paint finishes; so its use should be used with caution when dealing with more delicate materials such as wood.
Yellow nozzles deliver a more even stream of water, ideal for cleaning concrete and brick surfaces and rinsing off debris like gravel. However, be wary when using them around wood or vinyl siding surfaces as this nozzle may damage them over time.
Hose
The hose connecting the main unit to the trigger gun is one of the most essential parts of a pressure washer. A flexible hose that can move with you during cleaning and handle high water pressure without kinking or cracking will be essential.
Good quality hoses should be resistant to chemicals and heat generated from an engine. There is an array of materials from vinyl and rubber, to more resilient proprietary blends designed for high-pressure environments with benefits like reduced weight or improved resistance to kinks.
Pressure washers offer much more power and water efficiency than their garden hose counterparts; with appropriate attachments, they can make quick work of stubborn grime or mould on patios.
Contact us today at 03 9118 0606 to schedule a pressure washing.