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Designed specifically for heavy-duty cleaning or paint stripping, pressure washers use less water than the usual garden hose. This informative guide will help you interpret GPM and PSI ratings so you can discover how to make use of a pressure washer best suited for your personal project.

Just How Do Pressure Washers Work?

Pressure washers use pumps, powered by gas engines or electric motors, to amplify the liquid pressure, offering the power necessary for many different cleaning applications.

Pressure washer pumps have two connection points for low and high pressure. The reduced pressure connection (IN) is threaded to take a typical garden hose. The high pressure connection (OUT) accepts a top pressure hose (typically M22 threaded or 3/8-inch QC) that connects to your hand-held wand.

The pump is the most vital component on your own pressure washer.

Axial pumps, best used in small jobs around the house, are really easy to use and require little maintenance.

Triplex pumps, suitable for daily or frequent use, need to be maintained but will be repaired to make sure many years of quality performance.

Interchangeable nozzles control the wand’s spray pattern. Most pressure washers include wands that use a ¼-inch quick connect system.

Tip: It’s recommended that you use a pump protector after every use. Pump protector will lubricate your pump’s seals as well as prevent the buildup of corrosive minerals and ice.

For more information about Best Electric Pressure Washer stop by the web-page. Cleaning Power: PSI and GPM

Cleaning power is measured by PSI (pounds per square in .) and GPM (gallons each minute) rating.

Tip: To discover the cleaning power of your pressure washer, multiply the PSI x GPM. The resulting number will assist you to compare models so that you can find one that can be up to the work.

PSI: Pounds per square inch measures the stress, or cleaning force, of water created from the pressure washer. Take advantage of the PSI rating that may help you figure out how powerful the liquid stream is going to be.

GPM: Gallons a minute measures the quantity water delivered through the pressure washer. This number will allow you to see how fast the pressure washer will clean, and just how effectively it would rinse away debris.

1,300 - 1,800 PSI: As much as 1.5 GPM - Consumer electric motor models:
Residential electric grade
Ideal for infrequent jobs

2,000-3,000 PSI: Nearly 2.8 GPM - Consumer gas engine models:
Use for car washing, shutter cleaning, spot cleaning, grills, lawn furniture, light mildew/mold removal
Residential gas grade
Suitable for common jobs
Use for deck and pavement cleaning, sidewalks, siding, tougher stains

3,000-4,000 PSI: Up to 4. GPM - Professional gas engine models:
Professional grade
Great for tough, heavy jobs
Use for industrial cleaning, concrete, pavement, siding, paint stripping, graffiti removal, stubborn stains, mold and mildew removal

Buying Considerations

Look at the flow of your water supply and double-check the amps instructed to power the model you intend to obtain.

Well water could possibly be incompatible with a lot of washers on account of low water flow.

Choose a pressure washer that has a ground fault interrupter built into the cord. (Note: Some need a 20-amp circuit.)

Confirm when the brushes, nozzles and tips match the sorts of projects you intend to tackle. There are plenty of attachments which are intended for specific projects, including rotating brushes and extension wands for high cleaning.

In the event your cleaning needs will be more demanding, think about a unit which includes electronic fuel injection, or EFI. This feature affords the pressure washer 50 percent easier starting and better fuel economy.

Pressure washers with the PWMA logo indicate they have been certified via the Pressure Washer Manufacturers’ Association.