4 poles electrical motor (1450 RPM) with thermal protection.
4 poles electrical motor (1450 RPM) with thermal protection and water cooling (three-phase model)
Three ceramic coated pistons, brass linear pump head with built-in by-pass valve (Tucson 1211/1509)
Three ceramic coated pistons (Tucson 2017). Three full ceramic pistons (Tucson 1713). Brass linear pump head with built-in by-pass valve.
Suction and delivery S. S. valves.
Detergent built-in tank for indirect suction (2,8 lt.).
Low voltage and delayed Total Stop (three-phase model)
Pressure regulator.
Glicerine pressure gauge.