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Simpson ALH3225-S Spec Review

The Simpson Aluminum ALH3225-S 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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Simpson ALH3225-S 3200PSI Gas Pressure Washer
Simpson ALH3225-S 3200PSI Gas Pressure Washer
Simpson ALH3225-S 3200PSI Gas Pressure Washer
Simpson ALH3225-S 3200PSI Gas Pressure Washer
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Set an alert for the Simpson ALH3225-S - Current lowest price: $380.00
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Price History
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Price history for the Simpson ALH3225-S
Latest updates:
  • $380.00 - November 13, 2020
  • $475.00 - October 20, 2020
  • $403.75 - October 17, 2020
  • $475.00 - October 6, 2020
Data source: ebay.com
Since: October 6, 2020
  • Highest Price: $475.00 - October 6, 2020
  • Lowest Price: $380.00 - November 13, 2020

Description

Crafted of aircraft grade aluminum, making it lighter in weight than most steel frame pressure washer designs. Perfect for contractors who specialize in deck cleaning, wood restoration, paint preparation, graffiti removal and all other professional cleaning services.

Zoom on the Simpson ALH3225-S

In summary, the Simpson ALH3225-S 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
  • intense cleaning of hard, unpainted 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 Simpson ALH3225-S in use

The Simpson ALH3225-S

The Simpson ALH3225-S's triplex pump, powered by a 196 cc (6.5 hp) engine, can provide a pressure of up to 3200 PSI (approximately 53 times more than a standard garden hose) and a flow of up to 2.5 GPM (CETA-certified values). The Simpson ALH3225-S thus has a cleaning power of 8000 Cleaning Units.

This gas-powered pressure washer’s KOHLER SH265 engine is started by a traditional pull-start mechanism.

Gasoline is stored in a steel fuel tank with a maximum capacity of 0.95 gallon.

Design & Handling

The wheelbarrow design of the Simpson ALH3225-S grants mobility and stability to the unit. The aluminum frame allows the device to remain highly durable, as it will not rust. The handle adds to the ALH3225-S convenience of transport.

The majority of users will be able to maneuver this unit easily, it only weighs 74 lbs. As its 196 cc KOHLER SH265 engine and triplex pump account for a good portion of that weight, Simpson's choice of an aluminum frame allows the device to stay at a reasonable weight. The ALH3225-S can still be easily manipulated and maneuvered, thanks to its two 10" pneumatic wheels.

Main Features

The Simpson ALH3225-S in use

The Simpson ALH3225-S

The Simpson ALH3225-S comes with a spray gun, a wand, a pressure hose, 5 nozzles and a detergent injection feature, which are detailed below.

  • Soap injection: Even though the device doesn't have a soap tank, detergent is supplied by a siphon hose. The automatic soap dilution mechanism of the Simpson ALH3225-S will dilute the detergent with a 7:1 ratio. When a soap nozzle is connected, the detergent will be added automatically to the water.
  • Pressure hose: The included 35 ft ⌀5/16" high-pressure hose can be neatly stored on the unit when idle thanks to a set of convenient hooks.
  • Spray gun and wand: A side hook enables you to easily store the included classic ergonomic spray gun and its steel wand.
  • 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 Simpson ALH3225-S

Some of the included accessories

  • Onboard storage: The Simpson ALH3225-S features a handy storage area, which allows you to neatly store nozzles and accessories and be always prepared by having everything needed at hand.
  • Safety: Safety of operation is enhanced by a thermal relief valve (which helps to prevent internal pump damage), a low oil protection and a trigger lock mechanism (which prevents accidental operation).
  • Accessories: Besides the usual owner's manual (opens in a new tab) and documentation to get you promptly started, the Simpson ALH3225-S comes with soap hose, pressure hose, spray gun, oil and wand.
  • Emissions: The Simpson ALH3225-S 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.

Product Video

The Simpson ALH3225-S's performance versus other pressure washers

The following charts are provided to give you an idea of how the key specs of the Simpson ALH3225-S compare to similarly priced pressure washers.

  • The Simpson ALH3225-S, reaching a PSI of up to 3200, is one of the more powerful gas-powered units in $300-400 price range. If the highest possible power of the water stream is your priority, one of the champions in this price range is the Stanley SXPW3425 with 3400 PSI.
  • In the aforementioned price range, the GPM (gallons per minute) of this washer, which can reach 2.5, can be considered in the average. In case you are looking for a device which can most efficiently rinse away debris in the current price range, the Lifan LFQ3370 has the highest GPM of 3.
  • With a rather impressive value of 8000 Cleaning Units (PSI x GPM), the ALH3225-S has a higher cleaning efficiency compared to similarly priced devices. In case you are looking for the highest overall cleaning power, in this price range, one of the current champions is the Lifan LFQ3370 and its 9900 Cleaning Units.

Price comparison

As you can see from this interactive chart, when compared to other gas-powered washers between 8000 and 8500 Cleaning Units, the Simpson ALH3225-S 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
  • Triplex pump
  • Designed to be stable
  • Aluminum frame
  • Good range of nozzles included
  • Automatic detergent dilution
  • Onboard storage
  • Several security features
  • CARB-compliant
  • 10 year (limited) warranty
  • High PSI for the price
  • High CU for the price
AVERAGE SPECS:
  • Decent GPM for the price
WEAKNESSES:
  • No electric start
  • No soap tank

Do you own the Simpson ALH3225-S and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

Features and Specifications

General
FuelGas-Powered
HandlingWheelbarrow
WaterCold
PSI3200
GPM2.5
Cleaning Units8000
Engine196 cc 6.5 HP KOHLER SH265 OHV 4-stroke
PumpAAA Triplex
SeriesAluminum
Other model numbers60774,60686
Features
FrameAluminum
Soap injectionVia siphon hose
Soap dilution7:1
Nozzles0°, 15°, 25°, 40°, Soap
Quick connect nozzlesYes
Onboard storageYes
Hose35 ft, ⌀5/16
Hose storageHooks
Misc
Dimensions
(L x W x H)
Approx. 34 x 21 x 24 in
Weight74 lbs
Pressure controlValve
Wheels2 wheels, ⌀10", pneumatic
Included accessoriesOil, steel wand, spray gun, high pressure hose, soap hose, 5 nozzles
SecurityLow oil, trigger lock and thermal relief valve
EmissionsCARB, EPA
Warranty10 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.

About Simpson

Simpson has over 50 years of experience making quality products for the outdoor power equipment industry. Part of the FNA Group based in Pleasant Prairie, Wisconsin since 2006, they are a vertically-integrated company, meaning most of the parts and accessories are manufactured and assembled by them. Their manufacturing facilities are international. With the company motto "Driven by Performance", Simpson continues to offer a great variety of pressure-washing systems for the homeowner or the professional contractor.

Warranty Information

The Simpson ALH3225-S is covered under a warranty for up to 10 years. This warranty may be limited and may not cover all parts of the unit.
For more information about the warranty of Simpson pressure washers, please contact the Simpson Customer Support: 1-877-362-4271.

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