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Rainier RPX3200 Spec Review

The Rainier RPX3200 is a gas-powered pressure washer offering a maximum water pressure of 3200 PSI and flow of 2.5 GPM. (Read full specs)

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Rainier RPX3200 3200PSI Gas Pressure WasherRainier RPX3200 3200PSI Gas Pressure WasherRainier RPX3200 3200PSI Gas Pressure WasherRainier RPX3200 3200PSI Gas Pressure Washer
Note: This unit is a rebranded version of the Westinghouse WPX3200.
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Description

Zoom on the Rainier RPX3200

In summary, the Rainier RPX3200 is a heavy duty, commercial pressure washer, that offers an all-around versatile cleaning experience, and also:

  • spot cleaning of hard, paint-free surfaces and out-of-reach areas
  • thorough cleaning of hard, paint-free surfaces
  • cleaning of painted and fragile surfaces
  • application 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 Rainier RPX3200 in use

The Rainier RPX3200

Using a powerful 212 cc engine, its aluminum axial cam pump delivers a pressure of up to 3200 PSI (roughly 53 times more than a standard garden hose) and a flow of up to 2.5 GPM (values claimed by the manufacturer). Together, the values result in a cleaning power of 8000 Cleaning Units.

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

Gasoline is stored in a fuel tank with a maximum capacity of 0.9 gallon.

Design & Handling

The Rainier RPX3200 offers superb mobility, with a hand truck design and approximate dimensions of L21 x W19.5 x H39 in. The robust and sturdy steel tubing frame offers longevity to the assembly. The foam-padded fixed handle adds to the RPX3200 convenience of transport, while offering a comfortable grip.

Weighing 64 lbs, the unit is easy to maneuver by most people. Its 212 cc engine and steel tubing frame account for a good chunk of that weight. The RPX3200 can still be easily manipulated and maneuvered, thanks to its two 12" never-flat wheels.

Main Features

The Rainier RPX3200 in use

The Rainier RPX3200

Along with the Rainier RPX3200 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 0.5 gal tank. The detergent will be added automatically to the water when a soap nozzle is attached.
  • Pressure hose: A neat storage for the included 25 ft ⌀5/16" high-pressure hose (3100 PSI rating) is facilitated by a set of convenient hooks.
  • Spray gun: A side hook allows for an easy storage of the included classic ergonomic 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 Rainier RPX3200

Some of the included accessories

  • Onboard storage: The Rainier RPX3200 allows you to be always fully prepared, as it features a handy storage area, where nozzles and accessories can be stored.
  • 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: The Rainier RPX3200 comes with an owner's manual and some basic documentation to get you quickly started. On top of that, you also get pressure hose, spray gun, funnel, tool kit, oil and nozzle cleaner.
  • Emissions: The Rainier RPX3200 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.

The Rainier RPX3200's performance versus other pressure washers

The following charts are provided to give you an idea of how the key specs of the Rainier RPX3200 compare to similarly priced pressure washers.

  • With 3200 PSI, the Rainier RPX3200 ranks as one that can reach the highest pressure, amongst the gas-powered products that cost between $170 and $250.
  • With a water flow of up to 2.5 GPM (gallons per minute), this washer belongs to the best of the above-mentioned price range, as it can deliver a high volume of water.
  • Reaching up to 8000 Cleaning Units (PSI x GPM), the RPX3200 is one of the most efficient amongst its similarly priced peers.

Price comparison

As you can see from this interactive chart, when compared to other gas-powered washers between 8000 and 8500 Cleaning Units, the Rainier RPX3200 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 PSI for the price
  • High GPM for the price
  • High CU for the price
WEAKNESSES:
  • The Rainier RPX3200 doesn't have any notably low specs.

Do you own the Rainier RPX3200 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 (104°F max.)
PSI3200
GPM2.5
Cleaning Units8000
Engine212 cc OHV horizontal shaft
PumpLX Axial Cam
Pump materialAluminum
Features
FrameSteel tubing
Soap injectionYes
Soap tank0.5 gal
Nozzles0°, 15°, 25°, 40°, Soap
Quick connect nozzlesYes
Onboard storageYes
Hose25 ft, ⌀5/16
Hose storageHooks
Misc
Dimensions
(L x W x H)
Approx. 21 x 19.5 x 39 in
Weight64 lbs
Wheels2 wheels, ⌀12", never flat
Included accessoriesOil, funnel, tool kit, nozzle cleaner, 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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Warranty Information

The Rainier RPX3200 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 Rainier pressure washers, please contact the Rainier Customer Support: 1-844-202-2411.

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