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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

The Westinghouse WPX3100 is a heavy duty, commercial pressure washer, that provides its users with an all-around versatile cleaning experience, and enables:

  • spot cleaning of hard, paintless surfaces and reaching far-away areas
  • intense cleaning of tough, paintless surfaces
  • cleaning of painted and fragile surfaces
  • applying detergent and cleaning solutions

Its power characteristics and design, its main features and all its additional features are presented ahead.

Power

The Westinghouse WPX3100 in use

The Westinghouse WPX3100

With an impressive 208 cc (5.7 hp) engine, its brass axial cam pump delivers a pressure of 3100 PSI (roughly 52 times more than a standard garden hose) and a flow of up to 2.5 GPM (values claimed by the manufacturer), resulting in the Westinghouse WPX3100's cleaning power of 7750 Cleaning Units.

A classic pull-start mechanism is responsible for starting the gas-powered pressure washer’s Westinghouse engine.

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

Design & Handling

Thanks to its hand truck design and approximate dimensions of L24 x W19 x H42 in, the Westinghouse WPX3100 offers great mobility. Its sturdy steel tubing frame provides longevity to the assembly. The foam-padded fixed handle adds to the WPX3100 convenience of transport, while offering a comfortable grip.

Most users can maneuver this model easily, as it weighs just 66 lbs. A major component of its weight are its 208 cc Westinghouse engine and steel tubing frame. The WPX3100 can still be easily manipulated and maneuvered, thanks to its two 12" never-flat wheels.

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 is stored in a 1 gal tank. However, since the Westinghouse WPX3100 does not feature a soap dilution mechanism, you'll have to make sure your detergent is correctly diluted before use. The detergent will be added automatically to the water when a soap nozzle is attached.
  • Pressure hose: The 30 ft ⌀5/16" high-pressure hose (3100 PSI rating), which is included with the device, can be stored neatly on the unit itself when idle, using a set of convenient hooks.
  • Spray gun: A side hook allows for an easy storage of the included ergonomic EnduraGrasp spray gun.
  • Nozzles: The following table illustrates the 5 included nozzles, along with the surfaces which they are the most suitable for.
 


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: With the Westinghouse WPX3100's handy storage area, you’ll always have all the necessary nozzles and accessories at hand and thus, you’ll be fully prepared for any job.
  • Safety: Safety of operation is enhanced by a thermal relief valve (which helps to prevent internal pump damage) and a trigger lock mechanism (which prevents accidental operation).
  • Accessories: On top of an owner's manual (opens in a new tab) and the usual documentation to get you swiftly started, the Westinghouse WPX3100 also comes with nozzle cleaner, funnel, spray gun, pressure hose, oil and tool kit.
  • Emissions: The Westinghouse WPX3100 is EPA-approved and CARB-compliant. Therefore, the sale and purchase of this pressure washer is permitted in all 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 a maximum pressure output of 3100 PSI, the Westinghouse WPX3100 finds itself in the expected pressure range among gas-powered units that cost between $300 and $400. If you're going after the highest possible power of the water stream, one of the best in this price range is the Westinghouse WPX3400 that can reach up to 3400 PSI.
  • The water flow of this washer, which reaches up to 2.5 GPM (gallons per minute) is one of the higher values found in the above-mentioned price range. If you’re after the highest rinsing efficiency, one of the units with the highest water flow in the current price range is the Predator 3100, that can deliver up to 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. When it comes to the highest overall cleaning power in the current price range, one of the products at the very top currently is the Predator 3200 and its 8960 Cleaning Units.

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 cheap side of the price range.

It can therefore be a really good buy if you're looking to acquire a budget pressure washer.

The bottom line

STRENGTHS:
  • Inexpensive
  • Good range of nozzles included
  • Onboard storage
  • Several security features
  • CARB-compliant
  • High GPM for the price
  • High CU for the price
AVERAGE SPECS:
  • Decent PSI 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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