| Model | Varme 24B | Varme 32B | |
| Parameters | |||
| Rated heating output, min / max | kW | 9,4 / 24,3 | 13 / 33,3 |
| Heating output, min / max | kW | 8,2 / 23,1 | 11,4 / 29,9 |
| Efficiency (60 / 80 °С) | % | 92 | 92 |
| NOX class | 3 | 3 | |
| Flue gas temperature | °С | 138 | 158 |
| G20 gaz flow rate, min / max | m3 / s | 0,9 / 2,76 | 1,2 / 3,7 |
| G30 gaz flow rate, min / max | kg/h | 0,5 / 1,5 | 0,6 / 2,1 |
| Energy efficiency class | B | B | |
| Overall features | |||
| Net / gross weight | kg | 28,5 / 30 | |
| Compact size (H × W × D) | mm | 708 × 412 × 260 | 708 × 412 × 351 |
| Package size (H × W × D) | mm | 781 × 466 × 314 | 783 × 468 × 401 |
| Heating circuit | |||
| Operating pressure, min / max | bar | 0,5 / 3 | 0,5 / 3 |
| Expansion vessel volume | I | 8 | 8 |
| Expansion vessel pre-filling pressure | bar | 1 | 1 |
| Heating circuit temperature, min / max | °C | 35 / 80 | 35 / 80 |
| Electrical features | |||
| Voltage / frequency | V / Hz | 230 / 50 | 230 / 50 |
| Power consumption, max | W | 128 | 128 |
| Protection class | Ip42 | Ip42 | |
| Protection class | |||
| G20 natural gas (inlet pressure), min / max | mbar | 13 / 20 | 13 / 20 |
| G30 / G31 liquified gas (inlet pressure), min / max | 30 / 37 | 30 / 37 |
Hydraulic Group
- Hydraulic group: brass or composite.
- Heat exchanger material: DHW - stainless steel, heating circuit - copper
- Integrated DHW sensor
- Heating circuit NTC temperature sensor
- Expansion vessel up to 8 liters
- 0.5 bar low water pressure switch
- 3 bar 3-way motorized valve
- Automatic air bleeding valve
- 3-way motorized valve antiblockage function
Electric Circuit
- Safety system compatible with C EN 298
- PX4D electrical protection
- Wi-Fi support with OPENTHERM interface
- Weather-integrated outdoor air sensor (can be obtained externally)
- Anti-freeze system
- Overheating protection system
- Flue gas safety system
- Automatic diagnosis function