Modular heat exchanger design utilises a single pre-mix burner and fan to achieve part load efficiencies as high as 108.4% (net) NOx class 6 rating Adjustable maximum flow temperature from 35 to 85 Celsius ErP band A Manufacturer Stock Code:0010014390 EAN Code:4024074662687 Sub-Category:Commercial Boiler Brand:Vaillant Boiler Model:ecoCRAFT Output:160 kW Ready for 20% Hydrogen:Yes Category:System Fuel Type:Natural Gas Includes Magnetic Filter:No