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Add to comparison |  |  |  |  |  |  |
|---|---|---|---|---|---|---|
| Vaillant eloBLOCK VE 6 6 kW 230 V | Vaillant eloBLOCK VE 9 9 kW 230 V | Italtherm CITY CLASS 25 F 24 kW | Vaillant eloBLOCK VE 12 12 kW 400 В | Vaillant ecoTEC pure VUW 246/7-2 18.5 kW | Bosch Gaz 6000 WBN-18C RN 18 kW | |
from $563.28 up to $892.00 | from $579.32 up to $704.20 | Outdated Product | from $594.48 up to $725.04 | Outdated Product | from $497.11 up to $659.06 | |
| Energy source | electricity | electricity | gas | electricity | gas | gas |
| Installation | wall | wall | wall | wall | wall | wall |
| Type | single-circuit (heating only) | single-circuit (heating only) | dual-circuit (heating and DHW) | single-circuit (heating only) | dual-circuit (heating and DHW) | dual-circuit (heating and DHW) |
| Heating area | 45 m² | 68 m² | 192 m² | 90 m² | 148 m² | 144 m² |
| Condensing |  | | | |  | |
Technical specs | ||||||
| Heat output | 6 kW /3+3 кВт/ | 9 kW /3+6 кВт/ | 24 kW | 12 kW /6+6 кВт/ | 18.5 kW | 18 kW |
| Min. heat output | 3 kW | 3 kW | 8.5 kW | 6 kW | 6.5 kW | 5.4 kW |
| Power supply | 230 V /400 V/ | 230 V | 230 V | 400 V | 230 V | 230 V |
| Power consumption | 103 W | 100 W | ||||
| Rated current | 28.5 A | |||||
| Coolant min. T | 25 °С | 25 °С | 35 °С | 25 °С | 30 °С | 40 °С |
| Coolant max. T | 85 °С | 85 °С | 80 °С | 85 °С | 80 °С | 85 °С |
| Heating circuit max. pressure | 3 bar | 3 bar | 3 bar | 3 bar | 3 bar | 3 bar |
| DHW circuit max. pressure | 6 bar | 10 bar | 10 bar | |||
Consumer specs | ||||||
| DHW min. T | 35 °С | 35 °С | 40 °С | |||
| DHW max. T | 55 °С | 60 °С | 60 °С | |||
| Performance (ΔT=25°C) | 13.7 L/min | 8.6 L/min | ||||
| Performance (ΔT ~30 °C) | 9.9 L/min | |||||
| "Summer" mode | | | | | | |
| Heated floor mode | | | | | | |
| Warm start | | | | | | |
| Circulation pump | | | | | | |
| Control bus | eBus | eBus | eBus | OpenTherm | ||
Boiler specs | ||||||
| Efficiency | 99 % | 99 % | 93.3 % | 99 % | 105.7 % | 93.2 % |
| Combustion chamber | no chamber | no chamber | closed (turbocharged) | no chamber | closed (turbocharged) | closed (turbocharged) |
| Flue diameter | 60/100 mm /80/80 for split flue/ | 60/100 mm | 60/100 mm /80/80 mm for separate/ | |||
| Inlet gas pressure | 20 mbar | 20 mbar | 16 mbar | |||
| Max. gas consumption | 2.72 m³/h | 2.6 m³/h | 2.1 m³/h | |||
| Expansion vessel capacity | 8 L | 8 L | 8 L | 8 L | 8 L | |
| Expansion vessel pressure | 1 bar | |||||
| Coolant performance | 516 L/h | |||||
| Heat exchanger | stainless steel | copper | ||||
Connections | ||||||
| Mains water intake | 1/2" | 3/4" | 1/2" | |||
| DHW flow | 1/2" | 3/4" | 1/2" | |||
| Gas supply | 1/2" | 1/2" | 3/4" | |||
| Central heating flow | 3/4" | 3/4" | 3/4" | 3/4" | 3/4" | 3/4" |
| Central heating return | 3/4" | 3/4" | 3/4" | 3/4" | 3/4" | 3/4" |
Safety | ||||||
| Safety systems | water overheating water circulation failure frost protection | water overheating water circulation failure frost protection | gas pressure drop water overheating flame loss draft control water circulation failure frost protection | water overheating water circulation failure frost protection | gas pressure drop water overheating flame loss draft control water circulation failure frost protection | gas pressure drop water overheating flame loss draft control water circulation failure frost protection |
More specs | ||||||
| Dimensions (HxWxD) | 740x410x315 mm | 740x410x315 mm | 727x400x300 mm | 740x410x315 mm | 720x440x372 mm | 700x400x299 mm |
| Weight | 24 kg | 24 kg | 30 kg | 24 kg | 33.5 kg | 36 kg |
| Added to E-Catalog | june 2012 | june 2012 | august 2017 | june 2012 | june 2017 | august 2014 |
