The GH-4 is engineered to be both simple and reliable. Gusmer's point-to-point wired electrical cabinet sits atop Graco's industry-proven hydraulic Reactor 2 chassis, including the Reactor horizontal pump line, fluid heaters, and hydraulic system. The Gusmer GH-4 hydraulic proportioner: a simple, durable machine offering impressive performance at an attractive price.
Ideal for a wide range of spray foam applications, including roofing insulation, residential insulation, commercial wall insulation and concrete lifting.