The WTB® heat exchanger is compact resulting in a small footprint. It features a fully water cooled combustion chamber that requires no ceramic insulation. It has a modular design concept and available in capacities up to 350 kW.
The material used is aluminum which naturally generates a protective oxide coating leading to good anti-corrosion properties. Aluminum is a reliable material and has been used in the boiler market for over 35 years. It is available with CE approval as well as with ASME approval for the US.