Pressure Washer Hot Water X4 - The Alkota X4 series is the most popular hot water pressure washer in the industry, guaranteed to provide results you will love. This belt driven pressure washer with a triplex pump runs at a lower RPM for a cooler, quieter operation. You will love the four wheel design, and it will travel easily over any surface. Hot water pressure washers from Alkota feature our industry leading hydro insulated coil. The hydro insulated coil provides user safety and well as money saving performance. Alkota power washers, with a triplex pump, protect you with a 7 year coil warranty.