DUO 28
Specifications
| Brand | Germany |
| Manufacturer country | China |
| Power (kW) | 28 |
| Condensation system | No |
| Heat exchanger | 2 |
| Max. heating surface up to | 280 |
| Effec. heating surface up to | 200 |
| Combustion chamber type | Closed (TURBO) |
| Boiler type | Gas |
| Hot water circuit DHW | Yes |
| Max. productivity at ^T=25`, L/Min | 14.5 |
| RUP ( % ) | 92 |
| Material of the main heat exchanger | Copper |
| Secondary heat exchanger material | Stainless steel |
| Dimensions (HxWxD) cm | 74x41x32 |
| Weight (kg) | 35 |
| Voltage (V) | 220 |