Pressure Washer Nozzle Chart: Complete Guide to PSI, GPM & Nozzle Sizes
Choosing the proper pressure washer nozzle isn’t just about blasting away grime—it’s about precision, safety, and efficiency. A properly selected nozzle can significantly improve cleaning power while preventing surface damage. As per the Outdoor Power Equipment Institute (OPEI), approximately 79% of homeowners own outdoor power equipment, including pressure washers. That makes understanding the pressure washer nozzle, PSI, and GPM charts especially relevant for everyday users. Using the wrong nozzle can reduce cleaning efficiency by up to 50%, as reported by Simpson Cleaning, meaning you could be wasting both time and water. This guide explains everything you need to know about nozzle sizes, spray angles, and how they relate to your machine’s pressure (PSI) and flow rate (GPM). Whether you’re cleaning a driveway, deck, or siding, matching the nozzle to your machine and task is key to getting the best results. Let’s break it down into one spray pattern at a time. Understand...