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The power washer experts at Pressure Washers Direct have written a comprehensive large semi-pro gas power washer buying guide.

The pressure washer buyer's guide includes product information, buying tips and expert advice.

Large Semi-Pro Gas Pressure Washer Buyer's Guide

How to Pick a Large Semi-Pro Gas Power Washer

Pressure Washer
Product Expert
Large Semi-Pro Gas Pressure Washer Buyer's Guide

These large gas pressure washers are at the top of the semi-pro pile.

You won't be able to find this type of cleaning power on anything short of a commercial pressure washer.

For cleaning farm equipment, to apartment buildings, to construction sites, these cold water pressure washers can foot the bill.

Aside from hot water cleaning, these power washers can take on any cleaning task you could have.

Variable Pressure

Adjustable Pressure Washer Control
One of the most important features to look for on a large semi-pro gas pressure washer is variable or adjustable pressure controls. This way you can tailor the strength of PSI depending on your cleaning task.

Variable pressure is especially important on power washers as powerful as these units. 4000 PSI could damage siding or the exterior of vehicles so throttling the pressure based on the task at hand is crucial. Blasting mold from brick - crank it up. Rinsing detergent from your boat hull - turn it down.

Professional Features
Honda GX Power Washer Engine
We named this grade of pressure washers "semi-pro" because they bridge the gap from consumer to professional. That being said, our semi-pro units are designed with a lot of features you'd find on a professional unit.

All but one of these washers come with a professional grade spray gun, something you'll appreciate when taking on big jobs. The best professional feature you can get would be an engine. The engine is what spins the pump. The pump is what pressurizes the water. So the better the engine, the better the pressure. Look for units with a Honda GX engine.

Spray Tips
Consumer Spray Tips
A nice feature that accompanies large gas pressure washers is a whole mess of spray tips - allowing you to tailor your spray to your cleaning task. If you're rinsing detergent from your siding, go with a wider spray. But if you're blasting mud or concrete from your tractor, choose a concentrated jet spray.

In a 5-pack, the tips are:
  • 0 - red, concentrated pencil jet
  • 15 - yellow, high performance
  • 25 - green, multi-purpose
  • 40 - white, sensitive surfaces
  • 65 - black, low pressure detergent application

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