Nominal volume [l] 50 65 80 Load profile Annual electricity consumption [kWh/annum] 1238 1274 1311 Water heating energy efficiency class B Type of electric heating element Immersion heating element Dry heating element MIX 40 ºC [l] 98 125 166 Nominal pressure [MPa] 0,7 0.7 Nominal power (kW) 2,1+1,2 2x1+1 Water tank Enameled Control electronic control Installation bi-position Vertical