Model | Company | BWCC550L | BWCC700L | BWCC1100L |
| Rated heat input | KW | 550 | 700 | 1100 |
| Maximum energy consumption at rated power | m³/h | 53.9 | 68.6 | 107.8 |
| Maximum load 80°C/60°C heat output | KW | 539 | 686 | 1078 |
| Maximum load 50°C/30°C thermal efficiency | KW | 566.5 | 721 | 1133 |
| Maximum load 80°C/60°C thermal efficiency | % | 98 | 98 | 98 |
| Maximum load 50°C/30°C thermal efficiency | % | 103 | 103 | 103 |
| 30% load 50°C/30°C thermal efficiency | % | 108 | 108 | 108 |
| Highest Outflow water temperature | ℃ | 90 | 90 | 90 |
| Lowest/highest water pressure | bar | 0/6 | 0/6 | 0/6 |
| Hot water supply capacity（ΔT=20℃） | m³/h | 23.6 | 30.1 | 47.3 |
| Flue gas temperature (maximum load 80°C/60°C) | ℃ | <70 | <70 | <70 |
| Flue gas temperature (maximum load 50°C/30°C) | ℃ | <45 | <45 | <45 |
| NOX emissions | mg/m³ | <30 | <30 | <30 |
| Maximum condensed water discharge | L/h | 42.9 | 59 | 85.8 |
| Condensed water PH | 4.8 | 4.8 | 4.8 | |
| Flue interface | mm | 250 | 250 | 250 |
| Gas interface | R1 1/4" | R1 1/4" | R1 1/4" | |
| Inlet and outlet ports | mm | 100 | 100 | 100 |
| Gas type | Natural gas | 12T | 12T | 12T |
| Rated gas pressure (dynamic pressure) | Pa | 3000 | 3000 | 3000 |
| Power supply | 220V/50Hz | 220V/50Hz | 380V/50Hz | |
| Noise | db | <50 | <50 | <50 |
| Maximum power consumption | w | 1900 | 1900 | 1900 |
| Width | mm | 1100 | 1100 | 1100 |
| Depth | mm | 1630 | 1830 | 2100 |
| Height | mm | 1630 | 1630 | 1630 |
| Weight (net) | kg | 640 | 720 | 860 |
| eference area heating area | ㎡ | 9100 | 11700 | 18300 |