The AZSB is designed for heating water to a maximum temperature of 80 ºC in central heating systems (CH) and domestic hot water (DHW) installations, as well as in technical systems (wood dryers, presses, etc.).
| Parameter | Unit | AZSB120 RA |
| Nominal power | kW | 120 |
| Power range | kW | 36-120 |
| Efficiency at nominal power | % | 90 |
| Flue gas temperature at nominal power | oC | 150 |
| Boiler water capacity | l | 480 |
| Max. electrical power demand* | W | 2300 |
| Igniter power demand | W | 2000 |
| Required chimney draught | Pa | 41 |
| Chimney dimensions | cm x cm | 30x30 |
| Ø mm | 300 | |
| Minimum chimney height | m | 8-10 |
| Flue gas outlet diameter | Ø mm | 160 |
| Size of supply and return connections | DN50 (G2 threaded) | |
| Maximum allowable operating pressure | bar | 1.5 |
| *without igniter |





| Feeder capacity [ dm³ ] | 155 |
| Feeder capacity [ dm³ ] | 155 |
| Power [ kW ] | 120 |
| EcoDesign | YES, wood chips |
| Exhaust gas pipe size [ mm ] | 300 |
| Water capacity [ L ] | 480 |
| Outlet and inlet supply size [ inch ] | 2'' |
| Max. working temperature [ °C ] | 80 |
| Max. operating pressure [ bar ] | 1.500 |
| Min. Chimney height [ m ] | 8 |
| Min chimney draft [ Pa ] | 41 |
| Min. chimney diameter [ mm ] | 300 |
| Burner | Cast iron |
| Cleaning system | automatic, ash removal |
| Fuel | wood chips |
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