Energy efficiency class C Capacity range 150 200 300 Water tank Enameled Stainless Voltage [V] 230 V~ 400V 3N~ Nominal power (kW) 3 9 Dimensions ØxH [mm] 600 x 1150 600 x 1430 600 x 1450 670 X 1605 Pipes diameter (plumbing system / heat exchanger) 3/4"