Vapor-Flo 7475Freight not included. The Vapor Flo 7475 is a 50Hz electric pressure washer with a pressure level of 1700 psi (117 bar) and a flow rate of 2. 3 LPM. Included with this machine is a 25 spray nozzle, which is useful for cleaning larger areas such as shop floors and store front windows. A maximum temperature of 79. 4C can be reached, while the hot and cold water temperature options enable operators to utilize the right temperature for the application at