Steam Jenny offers four models of direct-drive cold pressure washers. Powered by 9- or 13-hp Honda GX Series engines, the pressure washers feature a triplex ceramic plunger pump, which requires little maintenance. Models are available with pressure ratings between 3,000 and 4,000 psi and flow rates vary between 3 and 4 gpm. A customizable option allows customers to choose a unit with pressure and flow ratings based on their specific needs. Standard features include thermal pump protection, an unloader valve and a high-pressure relief valve to prevent damage to the pump.