All Of The Energy Types Are Available – Always With Maximum Efficiency And All Of The Technical Advantages For Your Wellbeing. You Are Therefore Not Only Looking After The Battery, But Also Your Wallet. • Constant Comfortable Temperature • Optimum Warm Air Distribution Through 4 Warm Air Outlets • Short Water Heating Time, But No Need To Cut Your Shower Short • Durable Stainless Steel Water Tank • Lightweight And Compact • Interior Installation • 10 Litre Capacity • High Heat Output Of 4000 W (Combi 4) • With Integrated 1800 W Heating Elements • Combined Gas/Electrical Operation Possible On 4E • Straightforward Connection To The Existing Gas System • Environmentally Friendly And Maintenance-Free • Boiler Heating Time In Accordance With En 15033: Approx. 20 Min • Extremely Low Power Consumption: On Average Approx. 1.2 A, 0.2–5.6 A (12 V), 3.9–7.8 A (230 V - 4E And 6E) • Low Gas Consumption: 160-320 G/H (Combi 4), 160–480 G/H At 1000 W Of Heat Output On Average Heater (Excluding Exhaust Duct) Comes Complete With Room Thermostat, Control Panel With 3 M Cable, Mounting Parts And Elbow Fittings For 10 Mm Ø Water Hoses. Models With Water Connections For Semi-Rigid Piping (John Guest System) Available On Request.