Vapor-Flo 8475Freight not included. The Vapor Flo 8475 is a 440V, three phase, electric pressure washer featuring a heavy duty 2. 0 HP motor. With a pressure level of 1880 psi, a flow rate of 0. 6 GPM, and hot water temperatures up to 205F, this machine is ideal for commercial and industrial applications requiring heat for dissolving grease and other deposits. The dual function capabilities allow users to select hot water or cold water depending on the application.