Capacity range 80 100 120 150 200 Energy efficiency class C B Installation Horizontal Vertical Water tank Enameled Stainless Dimensions ØxH [mm] 387 x 1125 460x1415 460х820 462 x 835 462x1005 462x1170 462 х 1420 586x1250 586x1015 Pipes diameter (plumbing system / heat exchanger) 1/2" / 1/2" 1/2" / 3/4" 3/4" / 3/4" Nominal power (kW) 2 3 Control mechanical control electronic control