The Graco GMAX II 7900 Roof Rig Gas Airless Sprayer (17E835) is a professional-grade, gas-powered airless spraying system engineered for roofing and waterproofing contractors applying elastomeric coatings, acrylics, primers, and other compatible protective materials. Powered by a reliable Honda engine, this high-output sprayer delivers up to 2.2 GPM at 3,300 PSI and supports spray tips up to 0.048 inches for demanding residential, commercial, and industrial applications. The Endurance Vortex MaxLife Extreme piston pump features rotating rod technology for extended wear life, while the ProConnect 2 system allows quick pump replacement to minimize downtime. SmartControl 3.0 maintains consistent spray pressure, and WatchDog pump protection helps prevent damage when material runs out. Equipped with flat-proof tires, a heavy-duty cart, and professional spray accessories, the GMAX II 7900 Roof Rig provides portable, dependable performance for roof restoration, waterproofing, and coating maintenance. Available from NMR, your authorized Graco dealer and service center for professional spray equipment, parts, repairs, and technical support.