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NorthStar 157122 Spec Review

The NorthStar 157122 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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Price History
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Price history for the NorthStar 157122
Latest updates:
  • $759.99 - July 8, 2021
  • $799.99 - June 27, 2021
Data source: ebay.com
Since: June 27, 2021
  • Highest Price: $799.99 - June 27, 2021
  • Lowest Price: $759.99 - July 8, 2021

Description

Honda GX160 engine provides quiet, reliable performance and durability for blasting through mud, dirt and debris faster and more easily at home or jobsites — great for lawn and garden equipment, heavy-duty machinery, driveways, parking lots, patios, office buildings and much more.

Zoom on the NorthStar 157122

In summary, the NorthStar 157122 is a heavy duty, commercial pressure washer, that offers an all-around versatile cleaning experience, and also:

  • intense cleaning of hard, unpainted surfaces
  • cleaning of painted and frail 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 NorthStar 157122 in use

The NorthStar 157122

The NorthStar 157122's triplex pump, powered by a 163 cc (4.8 hp) engine, can provide a pressure of up to 3100 PSI (approximately 52 times more than a standard garden hose) and a flow of up to 2.5 GPM (values claimed by the manufacturer). The NorthStar 157122 thus has a cleaning power of 7750 Cleaning Units.

A classic pull-start mechanism is responsible for starting the gas-powered pressure washer’s Honda GX160 engine.

Gasoline storage is facilitated by a steel fuel tank with a maximum capacity of 0.83 gallon.

Design & Handling

The wheelbarrow design of the NorthStar 157122 grants mobility and stability to the unit. The strong steel tubing frame assures assembly longevity. The handle adds to the 157122 convenience of transport.

At 95 lbs, we can't really say that the unit is a lightweight, and manually lifting or transporting it could be a challenge. The major reasons for its heavy weight are its 163 cc Honda GX160 engine, the triplex pump and steel tubing frame. However, its two 10" never-flat wheels play an important part in its maneuvrability, as they allow for a smooth manipulation on the job.

Main Features

The NorthStar 157122 in use

The NorthStar 157122

The NorthStar 157122's package includes a spray gun, a wand, a pressure hose, 4 nozzles and a detergent injection feature, with a more detailed description below.

  • Soap injection: While the device doesn't feature a soap tank, detergent supply is ensured by a siphon hose. The NorthStar 157122 features an automatic soap dilution mechanism, that will dilute your detergent with a 15:1 ratio. The detergent will be added automatically to the water when a soap nozzle is attached.
  • Pressure hose: The 50 ft high-pressure hose, which is included with the device, can be stored neatly on the unit itself when idle, using 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 wand.
  • Nozzles: The 4 included nozzles, and the respective surfaces they’re appropriate for, are listed in the table below.
 

15°

25°

40°

Soap
Concrete, brick, masonrySuitableSuitableSuitableSuitable
Siding, gutters, houseUse with cautionUse with cautionSuitableSuitable
Fencing, deck, patioUse with cautionUse with cautionSuitableSuitable
Lawn equipment, boat, RVUse 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 NorthStar 157122

Some of the included accessories

  • Onboard storage: Stay prepared for any job with NorthStar 157122'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 thermal relief valve (which helps to prevent internal pump damage), a trigger lock mechanism (which prevents accidental operation) and a low oil protection.
  • Accessories: The NorthStar 157122 comes with an owner's manual (opens in a new tab) and some basic documentation to get you quickly started. On top of that, you also get pressure hose, spray gun, soap hose and wand.
  • Emissions: The NorthStar 157122 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 NorthStar 157122's performance versus other pressure washers

The following charts are provided to give you an idea of how the key specs of the NorthStar 157122 compare to similarly priced pressure washers.

  • The NorthStar 157122, a device which can produce up to 3100 PSI, is on the lower end of the pressure spectrum, among the gas-powered pressure washers in the $675-825 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 PS60843 that can reach up to 4400 PSI.
  • This washer, with a GPM of 2.5 (gallons per minute) has a somewhat lower water flow value compared to devices in its price range. 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 Simpson PS60843, with 4 GPM.
  • With 7750 Cleaning Units (PSI x GPM), the 157122 is on the low end when compared to other similarly priced gas-powered devices. If you consider the highest overall cleaning power as a really important factor, the Simpson PS60843 and its 17600 Cleaning Units has one of the highest cleaning efficiency of all the similarly priced 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 NorthStar 157122 is on the expensive side of the price range.

While certainly not the cheapest of its cleaning power range, purchasing it could most likely also mean enjoying the reliability of a high-end product.

The bottom line

STRENGTHS:
  • Triplex pump
  • Honda engine
  • Designed to be stable
  • Good range of nozzles included
  • Automatic detergent dilution
  • Onboard storage
  • Several security features
  • CARB-compliant
  • 10 year (limited) warranty
WEAKNESSES:
  • On the expensive side
  • No soap tank
  • Low PSI for the price
  • Low GPM for the price
  • Low CU for the price

Do you own the NorthStar 157122 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 (140°F max.)
PSI3100
GPM2.5
Cleaning Units7750
Engine163 cc 4.8 HP Honda GX160 OHV 4-stroke
PumpComet DWD Triplex
Features
FrameSteel tubing
Soap injectionVia siphon hose
Soap dilution15:1
Nozzles15°, 25°, 40°, Soap
Quick connect nozzlesYes
Onboard storageYes
Hose50 ft
Hose storageHooks
Misc
Dimensions
(L x W x H)
Approx. 40.3 x 26 x 23.8 in
Weight95 lbs
Pressure controlValve
Wheels2 wheels, ⌀10", never flat
Included accessoriesWand, spray gun, high pressure hose, soap hose, 4 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.

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About NorthStar

The NorthStar brand of outdoor power equipment is owned and distributed by the Northern Tool company, which was founded in 1981 in Minnesota, USA. The brand includes log splitters, generators, pressure washers, and air compressors. Though many of the components are manufactured in Northern Tool’s factory in China, NorthStar pressure washers are engineered, assembled, and tested in America, and powered by Honda engines. They include hot water, cold water, and soft-wash systems, along with many accessories. NorthStar brand products make up a large percentage of Northern Tool's product line.

Warranty Information

The NorthStar 157122 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 NorthStar pressure washers, please contact the NorthStar Customer Support: 1-800-270-0810.

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