| Specification |
Value |
| Boiler type |
Wall-mounted, dual-circuit gas boiler |
| Minimum useful heating output |
8.4 kW |
| Maximum useful heating output |
28.0 kW |
| Maximum nominal heat input |
31.0 kW |
| Max. natural gas consumption |
3.2 m³/h |
| Max. LPG consumption |
2.4 kg/h |
| Expansion vessel useful volume |
8 L |
| Flue connection diameter |
60/100 mm |
| Network voltage |
230 V / 50 Hz |
| Maximum electrical power consumption |
<150 W |
| Noise level |
≤38 dB(A) |
| Heating characteristics |
|
| Heat exchangers |
Separate heating and DHW heat exchangers |
| DHW heat exchanger |
Plate heat exchanger |
| Maximum heating system pressure |
3.0 bar |
| Circulation pump |
Integrated |
| Use of antifreeze |
Permitted types specified by Bosch |
| Minimum heating water temperature |
40°C |
| Maximum heating water temperature |
82°C |
| Domestic hot water specifications |
|
| DHW preparation |
Instantaneous |
| Minimum hot water temperature |
35°C |
| Maximum hot water temperature |
60°C |
| DHW flow rate (ΔT = 30 K) |
13.3 L/min |
| DHW flow rate (ΔT = 50 K) |
8.0 L/min |
| Maximum DHW pressure |
10 bar |
| Minimum DHW flow pressure |
0.3 bar |
| Summer mode |
Available |
| Dimensions, weight and connections |
|
| Dimensions (H × W × D) |
700 × 400 × 299 mm |
| Net weight |
32 kg |
| Cold water inlet |
1/2″ |
| Hot water outlet |
1/2″ |
| Heating circuit flow |
3/4″ |
| Heating circuit return |
3/4″ |
| Gas supply |
3/4″ |