Three ceramic coated pistons, brass axial pump head with built-in by-pass valve. Suction and delivery valves s/s. Vertical burner with high thermal efﬁciency steel coil. Regulation Temperature gauge. Diesel pump with by-pass valve. Built-in Detergent tank for indirect suction. Pressure regulator. Pressure gauge Glicerine. Power cable holder. Accessory holder. Ergonomic handle.