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Westinghouse WPX3100 Spec Review

The Westinghouse WPX3100 is a gas-powered pressure washer offering a maximum water pressure of 3100 PSI and flow of 2.5 GPM. (Read full specs)

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Description

Zoom on the Westinghouse WPX3100

In summary, the Westinghouse WPX3100 is a heavy duty, commercial pressure washer, that offers an all-around versatile cleaning experience, and also:

  • spot cleaning of hard, unpainted surfaces and high-reach cleaning
  • intense cleaning of tough, paintless surfaces
  • cleaning of painted or delicate surfaces
  • use of detergent and cleaning solutions

The following sections will present you in detail its power characteristics and design, its main features and all the additional features it has to offer.

Power

The Westinghouse WPX3100 in use

The Westinghouse WPX3100

Powered by an impressive 208 cc (5.7 hp) engine, its brass axial cam pump can deliver a pressure of 3100 PSI (around 52 times more than a standard garden hose) and a flow of up to 2.5 GPM (values claimed by the manufacturer). Combined, these values mean that the Westinghouse WPX3100 has a cleaning power of 7750 Cleaning Units.

The Westinghouse engine of this gas-powered pressure washer relies on an old-school pull-start mechanism to get started.

The fuel is stored in a tank, which can hold up to 0.9 gallon of gasoline.

Design & Handling

The Westinghouse WPX3100 offers superb mobility, with a hand truck design and approximate dimensions of L24 x W19 x H42 in. The strong steel tubing frame assures assembly longevity. The foam-padded fixed handle adds to the WPX3100 convenience of transport, while offering a comfortable grip.

The majority of users will be able to maneuver this unit easily, it only weighs 66 lbs. Its 208 cc Westinghouse engine and steel tubing frame account for a good chunk of that weight. Nethertheless, thanks to its two 12" never-flat wheels, the WPX3100 remains very easy to manipulate and maneuver.

Main Features

The Westinghouse WPX3100 in use

The Westinghouse WPX3100

Along with the Westinghouse WPX3100 itself, the package also includes a spray gun, a pressure hose, 5 nozzles and a detergent injection feature, which are discussed in further detail below.

  • Soap injection: Detergent storage is ensured by a 1 gal tank. The Westinghouse WPX3100 is not equipped with a soap dilution mechanism, and thus, it is up to the user to ensure the detergent’s correct dilution ratio when using it. If a soap nozzle is attached, the device will proceed to add the detergent to the water automatically.
  • Pressure hose: The included 30 ft ⌀5/16" high-pressure hose (3100 PSI rating) can be neatly stored on the unit when idle thanks to a set of convenient hooks.
  • Spray gun: A side hook allows for an easy storage of the included ergonomic EnduraGrasp spray gun.
  • Nozzles: The 5 nozzles included with the device, and the respective surfaces which they’re the most suitable for, are shown in the following table.
 


15°

25°

40°

Soap
Concrete, brick, masonryUse with cautionSuitableSuitableSuitableSuitable
Siding, gutters, houseNot recommendedUse with cautionUse with cautionSuitableSuitable
Fencing, deck, patioNot recommendedUse with cautionUse with cautionSuitableSuitable
Lawn equipment, boat, RVNot recommendedUse with cautionUse with cautionUse with cautionSuitable

Note: The shape of the nozzles above is for illustration purposes only and may differ.
Red cross: Not recommended. Green check: Suitable. Orange check: Use with caution.

Other Features

Some of the accessories of the Westinghouse WPX3100

Some of the included accessories

  • Onboard storage: Stay prepared for any job with Westinghouse WPX3100's handy storage area, which allows you to neatly store any nozzles and accessories which you may need for the job.
  • Safety: Safety of operation is enhanced by a trigger lock mechanism (which prevents accidental operation) and a thermal relief valve (which helps to prevent internal pump damage).
  • Accessories: Besides the usual owner's manual (opens in a new tab) and documentation to get you promptly started, the Westinghouse WPX3100 comes with pressure hose, nozzle cleaner, oil, funnel, spray gun and tool kit.
  • Emissions: The Westinghouse WPX3100 is EPA-approved and CARB-compliant. And so, this pressure washer is available for sale and purchase in any of the 50 states, including California.

Product Video

The Westinghouse WPX3100's performance versus other pressure washers

The following charts are provided to give you an idea of how the key specs of the Westinghouse WPX3100 compare to similarly priced pressure washers.

  • With its 3100 PSI max pressure output, the Westinghouse WPX3100 is in the expected pressure range, for gas-powered units in the $300-400 price range. In case you are looking for a device with the highest possible power of its water stream, one of the top achievers in this price range is the Westinghouse WPX3400 with a PSI of 3400.
  • In the aforementioned price range, the GPM (gallons per minute) of this washer, which can reach 2.5, can be considered in the average. If being able to rinse away debris as efficiently as possible is your priority, one of the products with the highest GPM in this price range is the Predator 3100, with 2.8 GPM.
  • Reaching up to 7750 Cleaning Units (PSI x GPM), the WPX3100 is one of the more efficient amongst its similarly priced peers. If you are after the highest overall cleaning power, the Westinghouse WPX3400 with its 8840 Cleaning Units is one of the products that can achieve the highest cleaning efficiency in this price range.

Price comparison

As you can see from this interactive chart, when compared to other gas-powered washers between 7500 and 8000 Cleaning Units, the Westinghouse WPX3100 is on the average side of the price range.

Therefore, this pressure washer nicely fits in the expected budget for this kind of cleaning power.

The bottom line

STRENGTHS:
  • In the expected price range
  • Good range of nozzles included
  • Onboard storage
  • Several security features
  • CARB-compliant
  • High CU for the price
AVERAGE SPECS:
  • Decent PSI for the price
  • Decent GPM for the price
WEAKNESSES:
  • No detergent dilution mechanism

Do you own the Westinghouse WPX3100 and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

Features and Specifications

General
FuelGas-Powered
HandlingHand Truck
WaterCold (140°F max.)
PSI3100
GPM2.5
Cleaning Units7750
Engine208 cc 5.7 HP Westinghouse OHV horizontal shaft
PumpHimore Axial Cam
Pump materialBrass
Features
FrameSteel tubing
Soap injectionYes
Soap tank1 gal
Soap dilutionNo
Nozzles0°, 15°, 25°, 40°, Soap
Quick connect nozzlesYes
Onboard storageYes
Hose30 ft, ⌀5/16
Hose storageHooks
Misc
Dimensions
(L x W x H)
Approx. 24 x 19 x 42 in
Weight66 lbs
Wheels2 wheels, ⌀12", never flat
Included accessoriesOil, funnel, tool kit, nozzle cleaner, EnduraGrasp spray gun, high pressure hose, 5 nozzles
SecurityTrigger lock and thermal relief valve
EmissionsCARB, EPA
Warranty3 years

Unlike many websites, we did our best to research each of the specs above. That being said, we are not immune to making the occasional mistake or omission. Should you notice any missing or incorrect values, don't hesitate to suggest improvements so we can address the issue.

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About Westinghouse

Since its founding in 1886 by George Westinghouse, the Westinghouse brand has become synonymous with electric power. With a wide-ranging product line supporting heavy industry, municipal power grids, and home appliances, the company has maintained innovation as one of its core values. Westinghouse has several partnerships and controlling stakes in media enterprises and manufacturing conglomerates worldwide, including Viacom and Electrolux. Products for the homeowner and contractor marketed under the Westinghouse brand are produced in facilities worldwide, and include outdoor power equipment such as pressure washers and portable generators.

Warranty Information

The Westinghouse WPX3100 is covered under a warranty for up to 3 years. This warranty may be limited and may not cover all parts of the unit.
For more information about the warranty of Westinghouse pressure washers, please consult Westinghouse's warranty policies (opens in a new tab). Alternatively, you can also contact their Customer Support: 1-855-944-3571.

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