Super Max 15500 WS Pressure WasherPrice excludes freight. View This Video Discover Daimer's Absolutely Outstanding Wet Steam Degreasing Capabilities The Super Max 15500 WS is a stationary, electric wet sand blaster pressure washer that can be heated by natural gas or propane. Like all Super Max 15000 WS models, the 15500 WS has the tri mode ability to function independently as a cold water, hot water, or steam pressure washer with temperatures up to 330F. The high flow rate (4 GPM)