The Eberspacher Hydronic B5WS and D5WS are robust air heaters designed for efficient vehicle cabin heating. Engineered for reliability and performance, these units operate on the vehicle's electrical system and fuel, providing a maximum heating output of 5.0 kW. They are suitable for a wide range of operating temperatures, from -40°C to +70°C, and can be controlled through various Eberspacher control units and timers, ensuring optimal comfort in diverse conditions.

This technical manual provides comprehensive guidance for the maintenance and repair of the Eberspacher Hydronic B5WS/D5WS heaters. It covers essential information including technical specifications, operating principles, and detailed maintenance procedures. Owners, mechanics, and technicians will find instructions for component care, service intervals, and troubleshooting, enabling them to ensure the continued optimal performance and longevity of their heating system.