Prices, Promotions, styles, and availability may vary. Our local stores do not honor online pricing. Prices and availability of products and services are subject to change without notice. Errors will be corrected where discovered, and Lowe's reserves the right to revoke any stated offer and to correct any errors, inaccuracies or omissions including after an order has been submitted.

Pro Series with AAA Triplex Pump 3500-PSI 2.5-GPM Cold Water Gas Pressure washer with 5 Spray Tips

Ratings & Reviews for SIMPSON Pro Series with AAA Triplex Pump 3500-PSI 2.5-GPM Cold Water Gas Pressure washer with 5 Spray Tips

4.6
3800
Review
 4.6 out of 5
3800 Reviews


65% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

Customers overwhelmingly praise this pressure washer for its exceptional power and reliability. Most highlight its impressive 3500 PSI rating and high GPM, noting it effortlessly cleans driveways, patios, decks, and concrete surfaces with outstanding results. Many emphasize it starts reliably on the first pull and is intuitive to assemble and operate. Reviewers consistently describe the build as solid and well-engineered, citing the triplex pump, industrial-strength 50-foot hose, and multiple spray nozzles as quality features. A few report mechanical issues or warranty concerns, but most consider this a dependable, high-value investment.

Customer review summary generated by AI, including incentivized reviews.
3800 Customer Reviews

Nice!

Starts right up and runs great. Fairly compact footprint for a 3500psi machine. Only negative point is that there is no detergent container. I'm not sure if there is an option to purchase one but it would be nice to have one.

October 14, 2026

From simpsoncleaning.com

Great tool

I manage a car wash. I use this pressure washer in a lot of different ways and it's always highly reliable and gets the job done.

October 14, 2026

From simpsoncleaning.com

It's a winner!

This pressure washer does everything I want. Plenty of power, low profile for easy storage, quality parts and runs great. I added quick-connect hose fittings to make it even better. I also bought the surface cleaner, which makes driveways and patios a breeze. Highly recommended.

October 14, 2026
Verified Purchaser
Was this Review Helpful ?
Response from SIMPSON Team

It's great to hear your 3500 PSI pressure washer has performed for an excellent cleaning experience & it paired right up with your surface cl... Read More

SIMPSON TeamOctober 14, 2026

simpson

Easy to move around

The two previous pressure washers in owned were awkward to push/pull around. When I put the Simpson together, I thought, oh, boy. But to my surprise, it's very easy to maneuver, even through the yard. As far as cleaning , it did a great job removing the mildew and spider webs from my white vinyl fence! Tomorrow, I tackle my sidewalk using a surface cleaner!

October 14, 2026

From simpsoncleaning.com

Easy

Products fit together easily and operated better than expected. Starts easily and maneuvers into tight spaces easily.

October 14, 2026

From simpsoncleaning.com

Great machine

Highly recommend this machine for anything commercial or residential plenty of power

October 14, 2026

From simpsoncleaning.com

Difficult

Would Not Recommend

Despite the high number of positive reviews, this turned out to be a disappointment. Holes in the handle are not properly lined up. We managed to get one bolt in, but had to zip ties on the other side due to improper alignment. This was minor and the plan was to re-drill the holes to line everything up. Assembly was simple after that. We managed to get the engine running but it stopped after a few seconds and would not start. We are going to return for a refund.

October 14, 2026
Was this Review Helpful ?
Response from SIMPSON Team

Hello, Matt. We're sorry to hear about the handle & unexpected shutdown. These may be issues easily resolved - if you still have your unit, w... Read More

SIMPSON TeamOctober 14, 2026

simpson

Just got it

Just bought this and put it together. Looks sturdy and has a good reputation. If it’s not great I will surely leave another review.

October 13, 2026

From simpsoncleaning.com

Great warranty

Great product so far. I have 3700 did the whole garage in about an hours time. Easy to start it up and use.

October 13, 2026

From simpsoncleaning.com

Awesome pressure

Awesome pressure washer, cleans everything as it should.

October 13, 2026

From simpsoncleaning.com

Very light easy to move around very powerful.Even my mother can use it

Very pleased with product Glad I bought it Even my parents can use it.I woukd recommend one.

October 13, 2026

From simpsoncleaning.com

Great machine!

Easy assembly and easy to use! Second Simpson product i have owned!

October 12, 2026

From simpsoncleaning.com

Pro Series 3500

Great power and perfect size for what I need! I recommend this product for any home owner.

October 12, 2026

From simpsoncleaning.com

It has some Great futures

About this pressure washer About a month ago and its the best choice I made.

October 12, 2026

From simpsoncleaning.com

My Power Washer

I have used this to clean a concrete pad that had been vacant for several years. It did a wonderful job it looked like new when I was finished.

October 12, 2026

From simpsoncleaning.com

Excellent power and performance

Would Recommend

Paired this with a 20" surface cleaner and my driveway and sidewalks look like they were professionally cleaned...with chemicals. I never have been able to get this good of a result from previous machines without using chemicals...and they still don't match what this did. When I used the nozzles, there was serious power - glad there are 2 handles on the wand! Word of advice - make sure all parts and pieces are attached when you unpack. The first one I got from the store had a broken piece, a...

Was this Review Helpful ?
Response from SIMPSON Team

Hello, JavaKnut. We're sorry to hear about the missing parts & appreciate you alerting us to the cotter pin - we will be sure to bring this t... Read More

SIMPSON TeamOctober 13, 2026

simpson

So far so good

So far so good. Today is the first day using it. Seems powerful so far.

October 12, 2026

From simpsoncleaning.com

Pre-Review

Right now I'm giving it five stars, and I do recommend it. It was put together easy. Everything seems solid, but I haven't ran it yet, so when I do, then I can give a better review. So far so good. One small issue: the handle or gun or whatever you call it doesn't secure to the side of the unit when the hose is hooked to it. It barely stays without the hose.

October 12, 2026

From simpsoncleaning.com

Great machine

Would Recommend

I bought this machine after my old faithful sprung a leak in the pump assembly. This machine is great, it’s lightweight, maneuverable, great pressure and a great deal. The wand, handle and tips along with a good hose were great to have included. I would recommend if you’re looking for a gas power washer to not walk past this one.

October 12, 2026
Verified Purchaser
Was this Review Helpful ?
Response from SIMPSON Team

Thanks for the kind words, Goose1! We are so glad your machine has delivered a five-star cleaning experience. We appreciate your recommendation &... Read More

SIMPSON TeamOctober 12, 2026

simpson

pump is poor quality

Would Not Recommend

My AAA pump lasted 18 months. Pump started blowing thermal pop off. Simpson warranty station refused to do warranty work because Simpson tells him that all the parts are normal wear and tear. Lowe's did nothing to back up there 5 year warranty as advertised. I'm not sure if the extended warranty from Lowe's would have made any difference. But if the ad gives a 5 year, why would a person need any extended paperwork

Was this Review Helpful ?
Response from SIMPSON Team

Hello, Michael. This isn't the performance we expect at all. We're sorry to hear about the pump issues & difficulty getting the problem r... Read More

SIMPSON TeamOctober 12, 2026

simpson