The Helios Fans WHR 160 is a compact water heater battery engineered for use with circular ducting systems. It features a robust galvanised steel casing and spigots on both ends equipped with double lip rubber seals, ensuring a secure and standard fit. The heating elements are made from copper and enhanced with aluminium fins for efficient thermal performance. Designed for demanding conditions, the unit supports a maximum operating temperature of 100°C and a pressure of up to 8 bar. Installation is simplified with two accessible inspection caps located on the water connection side.