Viessmann VITOWELL EASY DELUXE Power: 3.3kW Voltage: 220-240V Weight without pump: 1.7 kg VITOWELL EASY PREMIUM Power: 3.3kW Voltage: 220-240V Weight without pump: 1.7 kg VITOWELL EASY CLASSIC Power: 3.3kW Voltage: 220-240V Weight without pump: 1.7 kg VITOWELL comfort Deluxe – cube Capacity : 15 l / 30 l Power/Voltage : 2500W/230V / 2500W/230V Weight: 7.6 kg / 12 kg VITOWELL comfort Premium – cube Capacity: 15 l / 30 l Power/Voltage : 500W/230V / 1500W/230V Weight: 7.6 kg/ 12kg VITOWELL comfort Classic – cube Capacity : 15 l / 30 l Power/Voltage : 1500W/230V | 1500W/230V Weight: 7.6 kg | 12kg VITOWELL comfort Classic – slim Capacity: 20 l Power/Voltage : 2500W/230V Weight: 9 kg