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NorthStar 1573021 Spec Review

The NorthStar 1573021 is an electric pressure washer offering a maximum water pressure of 3000 PSI and flow of 2.5 GPM. (Read full specs)

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NorthStar 1573021 3000PSI Electric Pressure WasherNorthStar 1573021 3000PSI Electric Pressure Washer

Description

The NorthStar® electric cold water pressure washer provides the power you need for cleaning pavement, siding, deck maintenance and general-purpose cleaning with the quick-couple nozzle and soap nozzle.

Zoom on the NorthStar 1573021

In a nutshell, the NorthStar 1573021 is a heavy duty pressure washer, which not only offers an all-around versatile cleaning experience, but that also allows:

  • application of detergent and cleaning solutions

Ahead are presented its power characteristics and design, its main features and any other additional features.

Power

The NorthStar 1573021 in use

The NorthStar 1573021

With a 30 amp motor, its triplex pump delivers a pressure of 3000 PSI (roughly 50 times more than a standard garden hose) and a flow of up to 2.5 GPM (values claimed by the manufacturer), resulting in the NorthStar 1573021's cleaning power of 7500 Cleaning Units.

Being an electric pressure washer, the NorthStar 1573021's motor can be easily started by a convenient ON/OFF switch. The unit is ready-to-use with peace of mind, thanks to the included 36 ft GFCI cord.

It should be noted that the unit requires a dedicated 240V electrical circuit to operate. The included cord has a NEMA 6-30P plug, which should be plugged into a 6-30R receptacle.

Design & Handling

The NorthStar 1573021 offers superb mobility, with a hand truck design and approximate dimensions of D34 x W21 x H38 in. The robust steel frame guarantees longevity of the assembly. The handle adds to the 1573021 convenience of transport.

At 139 lbs, we can't really say that the unit is a lightweight, and manually lifting or transporting it could be a challenge. The main contributor to its weight are its motor, the triplex pump and steel frame. However, the device’s two 10" pneumatic wheels play a key role in its maneuvrability, as they allow it to be manipulated smoothly.

Main Features

The NorthStar 1573021 in use

The NorthStar 1573021

The NorthStar 1573021's package includes a spray gun, a wand, a pressure hose, 2 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. When a soap nozzle is connected, the detergent will be added automatically to the water.
  • Pressure hose: A neat storage for the included 25 ft high-pressure hose is facilitated by a set of convenient hooks.
  • Spray gun and wand: Both the classic ergonomic spray gun and its wand may be conveniently stored in a side hook.
  • Nozzles: The table below shows you the 2 included nozzles, as well as the surfaces they're the most appropriate for.
 

25

Soap
Concrete, brick, masonrySuitableSuitable
Siding, gutters, houseUse with cautionSuitable
Fencing, deck, patioUse with cautionSuitable
Lawn equipment, boat, RVUse 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

The specs of the NorthStar 1573021

The NorthStar 1573021

  • Onboard storage: The NorthStar 1573021 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) 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 NorthStar 1573021 also comes with wand, spray gun, power cord and pressure hose.

The NorthStar 1573021's performance versus other pressure washers

The following charts are provided to give you an idea of how the key specs of the NorthStar 1573021 compare to similarly priced pressure washers.

Note: Even though we couldn’t list its price on this page, our research indicates that some brick-and-mortar retailers sell this unit around $950.

  • The NorthStar 1573021, which can reach up to 3000 PSI, has one of the highest pressure outputs of the electric units that cost between $990 and $1700.
  • In its respective price range, the water flow of this washer, 2.5 GPM (gallons per minute), ranks as average. If rinsing away debris most efficiently is your priority, one of the devices with the highest GPM in this price range is the NorthStar 1571104, which can reach up to 4 GPM.
  • Reaching up to 7500 Cleaning Units (PSI x GPM), the 1573021 is one of the more efficient amongst its similarly priced peers. If you are after the highest overall cleaning power, the NorthStar 1571104 with its 8000 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 electric washers between 5700 and 8800 Cleaning Units, the NorthStar 1573021 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
  • Triplex pump
  • Onboard storage
  • Several security features
  • High PSI for the price
  • High CU for the price
AVERAGE SPECS:
  • Decent GPM for the price
WEAKNESSES:
  • Could include more nozzles
  • No soap tank

Do you own the NorthStar 1573021 and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

Features and Specifications

General
FuelElectric
HandlingHand Truck
WaterCold (140°F max.)
PSI3000
GPM2.5
Cleaning Units7500
Motor30 amp
PumpCAT 4DNX Triplex
Features
FrameSteel
Soap injectionVia siphon hose
Nozzles25°, Soap
Quick connect nozzlesYes
Onboard storageYes
Hose25 ft
Hose storageHooks
Misc
Dimensions
(D x W x H)
Approx. 34 x 21 x 38 in
Weight139 lbs
Pressure controlValve
Wheels2 wheels, ⌀10", pneumatic
Included accessoriesWand, spray gun, high pressure hose, 36 ft GFCI power cord, 2 nozzles
SecurityTrigger lock and thermal relief valve
Warranty2 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 1573021 is covered under a warranty for up to 2 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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