Vapor-Flo 8400Freight not included. With pressure levels of 1750 psi and flow rates of 0. 6 GPM, the Vapor Flo 8400 is an electric pressure washer capable of cleaning places such as factory floors and equipment. Featuring dual temperature options, this model can heat water to temperatures of 205F in about 20 seconds. For added user friendliness, the Vapor Flo 8400 includes top access to the water tank for easily refilling. This machine includes powder coated steel