![]() They have no wheels and are lightweight and compact, so they can be picked up and easily stored. The smallest, most lightweight units are about the size of a large lunch box or small cooler. Key features to watch for include the washer’s overall size and weight, frame style, handle configuration, and wheel type and size. Portable pressure washers come in different forms. High-quality pressure washers feature stainless steel spray wands with brass quick connectors to swap out the spray tips. Entry-level units often have a plastic wand with a built-in adjustable plastic spray tip. ![]() Light-duty electric washers use plastic components that would not hold up to the intense pressure produced by heavy-duty machines. The connectors between the spray gun and pressure hose and between the spray gun and the wand are usually threaded brass, but they also may be heavy-duty metal quick connectors or light-duty plastic components. The spray gun body is typically plastic, with either a molded or lever-style triggering mechanism. Pressure washer spray wands are not universal. Raising water pressure from 2,000 to 3,000 psi increases the distance the user can hold the spray tip from a surface. ![]() The psi rating indicates a pressure washer’s ability to lift stuck-on dirt from a surface. Water pressure is measured in pounds per square inch (psi), and it’s the strength of the water stream the washer creates. Increasing the flow from 1.0 to 2.0 GPM flushes soil from a surface twice as fast. The GPM rating is a good indicator of a pressure washer’s power. Industrial cleaning and paint stripping: 4,000 psiĪ pressure washer’s cleaning power is expressed in terms of its flow rate and water pressure.įlow rate, expressed in gallons per minute (GPM), is the amount of water that flows through the machine at any given time.House siding and driveway pavement: 3,000 psi.Cars, bikes, and grills: up to 1,500 psi. ![]() Common household cleaning projects, along with the ideal pressure washer psi rating for each task, include: While it’s possible to use a stronger pressure washer for a lighter task, care must be taken to avoid damaging the material’s finish and surface. Use the psi rating as a tool to help determine if the model in consideration can perform the desired tasks. When shopping for a pressure washer, consider its intended use. Electric pressure washers are a good choice for cleaning everyday household objects, such as cars, lawn mowers, patio furniture, driveways or patios. They are typically smaller, lighter, quieter, and easier to store than their gas-powered counterparts. This, along with the fact that they don’t have to be tethered to a power cord, means gas pressure washers are especially useful for larger, dirtier projects, such as cleaning fences, driveways, and house siding.Įlectric pressure washers typically produce somewhat lower water pressure at about half the flow rate of gas. Gas pressure washers produce more water pressure at a greater flow rate than electric pressure washers. The following key pressure washer characteristics can help when shopping. With dozens of models to choose from, it’s helpful to have a method to narrow the search. Photo: What to Consider When Choosing a Ryobi Pressure Washer
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