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Customer reviews for Aluminum ALH3425(-S) 49-State 3600 PSI at 2.5 GPM HONDA® GX200 with AAA® Triplex Plunger Pump Cold Water Professional Gas Pressure Washer for
Aluminum ALH3425(-S) 49-State 3600 PSI at 2.5 GPM HONDA® GX200 with AAA® Triplex Plunger Pump Cold Water Professional Gas Pressure Washer
4.6 out of 5 stars
stars147 ratings147 reviews
  1. 5 stars72% (106)
  2. 4 stars24% (35)
  3. 3 stars1% (2)
  4. 2 stars2% (3)
  5. 1 star1% (1)
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Showing 1-10 of 147 reviews
Apr 28, 2026
Jimmy 45
5 out of 5 stars review

Verified Purchase

Great pressure washer

[This review was collected as part of a promotion.] This pressure washer works great. Very happy with the purchase. Would highly recommend. Only thing I have a complaint about is one wheel was not pinned in and kept falling off the unit. Once I turned the wheel around and installed the pin properly everything worked great. Nothing in the assembly instructions mentioned the wheel not being pinned in.

Review from simpsoncleaning.com
Helpful?14ORGU9XL2D013960212449
Jun 1, 2026
Elmachete
5 out of 5 stars review

Verified Purchase

Outstanding!!

This pressure washer is the best !!!!, in the past I had different pressure washers and this one really kicked all other brands…very happy with the washer!!

Review from simpsoncleaning.com
Helpful?14ORGU9XL2D013960212449
Jun 17, 2026
Cbadrik
5 out of 5 stars review

Verified Purchase

Work horse

[This review was collected as part of a promotion.] This is the best power washer I have owned. Engine starts on first pull. Had this running all day and the following and no issues.

Review from simpsoncleaning.com
Helpful?14ORGU9XL2D013960212449
May 28, 2026
Jjuarez2409
5 out of 5 stars review

Verified Purchase

Excellent pressure washer

Have had it for a little over 5 years going on my 6th year this June 2026. Never has failed me once the gx200 motor always starts on first pull. Also I make sure to change the pump oil and engine oil periodically.

Review from simpsoncleaning.com
Helpful?14ORGU9XL2D013960212449
Jun 7, 2026
Mr.M
5 out of 5 stars review

Verified Purchase

Light and Easy to start

[This review was collected as part of a promotion.] I have been using for few times now. It has started from the first pull every time. Pressure is great. Lightweight.

Review from simpsoncleaning.com
Helpful?14ORGU9XL2D013960212449
Jun 1, 2026
Jesse.B
5 out of 5 stars review

Verified Purchase

Great pressure!

[This review was collected as part of a promotion.] Started right up after adding oil and gas. The pressure was excellent for cleaning my driveway and patio.

Review from simpsoncleaning.com
Helpful?14ORGU9XL2D013960212449
Jan 24, 2026
Fox75
5 out of 5 stars review

Verified Purchase

Nice Machine

[This review was collected as part of a promotion.] Machine looks very nice everything came ok. Right now it is just too cold out to use but can't wait till it warms up some. Usually Honda motors run good so we will see later. Nice and easy yo move around and since it is aluminum it is lighter and should not rust. The packaging was good too some nice heavy foam to keep it from moving.

Review from simpsoncleaning.com
Helpful?14ORGU9XL2D013960212449
reply from Simpson Team

We're glad to hear your Simpson pressure washer has made a great first impression & we're confident it will perform to your expectations. Enjoy that machine, Fox75!

Jun 20, 2026
En45
5 out of 5 stars review

Verified Purchase

Pressure washer

[This review was collected as part of a promotion.] Great product, works well! Started on the first pull. Easy instructions to follow.

Review from simpsoncleaning.com
Helpful?14ORGU9XL2D013960212449
Jun 18, 2026
House
4 out of 5 stars review

Verified Purchase

Simpson Pressure Washer

[This review was collected as part of a promotion.] Starts on first pull every time. It has good pressure.

Review from simpsoncleaning.com
Helpful?14ORGU9XL2D013960212449
Mar 12, 2026
KevinG
2 out of 5 stars review

Verified Purchase

Hard to keep running

I have run the unit 2X. It is difficult to start and keep running. Must constantly be choked even after fully warm. Have tried several water supply options trying to eliminate variables, No water or air pocket issues. Troubleshoot advises cleaning the carburetor and jets as something may have lodged in transit. TBD,

Review from simpsoncleaning.com
Helpful?14ORGU9XL2D013960212449
reply from Simpson Team

Hello, KevinG. We're sorry to hear about the rough start & hope it's easily resolved. At your earliest convenience, would you contact our team at 877-362-4271 or email us at productsupport@simpsoncleaning.com? We hope to pinpoint the issue to determine how to improve performance as quickly as possible. We appreicate your feedback & hope you will be in touch soon!