Kärcher HDS Upright Class - Hot Water Pressure WasherThe Krcher HDS Upright Class of Hot Water Pressure Washers are entry level professional pressure washers, designed for easy transport. An electrically powered pump, and a bio diesel powered heater, combine in the HDS Upright Class to offer both cold water and hot water pressure washing. Designed with the operator in mind, the Krcher HDS 1. 7 12 U Ed Upright Class is powerful, robust, and incredibly maneuverable, with tons of storage compartments for