Vapor-Flo 8970Freight not included. The Vapor Flo 8970 is an all electric pressure washer featuring pressure levels of 2175 psi and a flow rate of 2. 3 GPM. Dual temperature settings allow the user to select between hot water and cold water temperature options, with the ability to heat water up to temperatures of 175F in as little as 20 seconds. A heavy duty 3. 0 HP, 440V three phase motor gives this machine sufficient power to effectively handle a wide variety of