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NorthStar 1573021 Spec Review (Discontinued)

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

This product was discontinued. For your convenience, we decided to leave this page up.
It was replaced by the NorthStar 1571103. However, you might still find it second hand on eBay, by clicking on the button below.

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:

  • use of detergent and cleaning solutions

Its power characteristics and design, its main features and all its additional features are presented ahead.

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. Its sturdy steel frame provides longevity to the assembly. The handle adds to the 1573021 convenience of transport.

With a weight of 139 lbs, the model is not lightweight. Therefore, it may be challenging to manually carry it around and transport it. A key role in its final weight is played by its motor, the triplex pump and steel frame. However, the unit is manipulated smoothly thanks to its two 10" pneumatic wheels, which play a key role in its maneuvrability.

Main Features

The NorthStar 1573021 in use

The NorthStar 1573021

The NorthStar 1573021 comes with a spray gun, a wand, a pressure hose, 2 nozzles and a detergent injection feature, which are detailed below.

  • Soap injection: Detergent is fed in through a siphon hose, since the device lacks a soap tank. The detergent is automatically added to the water when a soap nozzle is connected.
  • Pressure hose: The 25 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 allows for an easy storage of the included classic ergonomic spray gun and its wand.
  • Nozzles: The 2 nozzles included with the device, and the respective surfaces which they’re the most suitable for, are shown in the following table.
 

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 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 thermal relief valve (which helps to prevent internal pump damage) and a trigger lock mechanism (which prevents accidental operation).
  • Accessories: Included with the NorthStar 1573021 are also the owner's manual (opens in a new tab) and some basic documentation to get you promptly started, along with several accessories, such as wand, pressure hose, power cord and spray gun.

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.

This unit is now discontinued, but used to be sold around $950.

  • The NorthStar 1573021, reaching a PSI of up to 3000, is one of the most powerful electric units in $890-1750 price range.
  • Considering its water flow, this washer, with a GPM (gallons per minute) of 2.5 is in the average compared to other devices in its price range. If maximum rinsing efficiency is your top priority, one of the devices with the highest water flow in the same price range is the NorthStar 1571104, with a GPM of 4.
  • With a rather impressive value of 7500 Cleaning Units (PSI x GPM), the 1573021 has a higher cleaning efficiency compared to similarly priced devices. When it comes to the highest overall cleaning power in the current price range, one of the products at the very top currently is the NorthStar 1571104 and its 8000 Cleaning Units.

The bottom line

STRENGTHS:
  • 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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