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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.

Description

Zoom on the Rainier RPX3200

The Rainier RPX3200 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
  • thorough cleaning of hard, paint-free surfaces
  • cleaning of painted or delicate surfaces
  • applying 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 an impressive 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 storage is facilitated by a fuel tank with a maximum capacity of 0.9 gallon.

Design & Handling

The Rainier RPX3200 is very mobile, due to its hand truck design and approximate dimensions of L21 x W19.5 x H39 in. The strong steel tubing frame assures assembly longevity. The foam-padded fixed handle adds to the RPX3200 convenience of transport, while offering a comfortable grip.

The majority of users will be able to maneuver this unit easily, it only weighs 64 lbs. Its 212 cc engine and steel tubing frame all add up to a substantial part of that weight. Since the RPX3200 has a set of two 12" never-flat wheels, it is still easily maneuvered and manipulated.

Main Features

The Rainier RPX3200 in use

The Rainier RPX3200

The Rainier RPX3200 comes with a spray gun, a pressure hose, 5 nozzles and a detergent injection feature, which are detailed below.

  • Soap injection: A safe detergent storage is facilitated by a 0.5 gal tank. When a soap nozzle is connected, the detergent will be added automatically to the water.
  • Pressure hose: Using a set of convenient hooks, the included 25 ft ⌀5/16" high-pressure hose (3100 PSI rating) can be easily stored on the unit when it is not running.
  • Spray gun: A side hook allows for an easy storage of the included classic ergonomic spray gun.
  • Nozzles: The table below shows you the 5 included nozzles, as well as the surfaces they're the most appropriate 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: With the Rainier RPX3200'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 trigger lock mechanism (which prevents accidental operation) and a thermal relief valve (which helps to prevent internal pump damage).
  • Accessories: Included with the Rainier RPX3200 are also the owner's manual and some basic documentation to get you promptly started, along with several accessories, such as funnel, nozzle cleaner, pressure hose, spray gun, oil and tool kit.
  • Emissions: The Rainier RPX3200 is EPA-approved and CARB-compliant. This means that this pressure washer can be bought and sold in each 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.

Note: Even though we couldn’t list its price on this page, our research indicates that some retailers sell this unit around $280.

  • The Rainier RPX3200, with a max water pressure of 3200 PSI, has one of the higher PSI values of the gas-powered products in the $255-300 price range. If you're going after the highest possible power of the water stream, one of the best in this price range is the Simpson CM61083 that can reach up to 3400 PSI.
  • In the aforementioned price range, the 2.5 GPM (gallons per minute) of this washer makes it one of the better performing units in terms of the delivered volume of water. If rinsing away debris most efficiently is your priority, one of the devices with the highest GPM in this price range is the Excell EPW2123100, which can reach up to 2.8 GPM.
  • The RPX3200, with its 8000 Cleaning Units (PSI x GPM) sits at the high end of the cleaning efficiency spectrum, when compared to other devices of similar price. If you are after the highest overall cleaning power, the Excell EPW2123100 with its 8680 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 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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