Pro 28E
| ID | Part Description | Note | Units |
| 1 | Maximum CH heat input (net) | 28.6 | kW |
| 2 | CH heat output (80/60 °C) | 5.3 - 28.2 | kW |
| 3 | CH heat output (50/30 °C) | 5.7 - 30.6 | |
| 4 | Maximum DHW heat input (net) | 30.58 | kW |
| 5 | SEDBUK Band | A | |
| 6 | SAP Seasonal Efficiency | 90.6 | % |
| 7 | NOx Class | 5 | |
| 8 | Electrical rating | ||
| 9 | IPX4D | ||
| 10 | Inlet gas working pressure required (natural gas) | 20 | mbar |
| 11 | Gas supply (G20) Gross CV (s.t.) | 37.8 | MJ/m3 |
| 12 | Maximum gas rate | 2.7 | mbar |
| 13 | Minimum gas rate | 0.52 | mbar |
| 14 | Burner % CO2 | 9.0 +/-0.2 | % |
| 15 | Gas connection | 15 mm Compression | |
| 16 | Water connections | 22 mm Compression | |
| 17 | Condensate drain (internal diameter min.) | 19 | mm |
| 18 | Internal fuse ratings | Fan supply PCB 3.15 AT | A |
| Main PCB 125 mAT | A | ||
| 19 | Maximum CH system pressure | 3 | bar |
| 20 | Weight | 33 | kg |
| 21 | Electrical supply | 230/~50 | V~/Hz |
| 22 | External fuse | 3 | A |
| 23 | Power input | 60 | W |
| 24 | Case height | 600 | mm |
| 25 | Case width | 375 | mm |
| 26 | Case depth | 334 | mm |