In hydronic heating systems, a low-loss header separates the primary boiler circuit (the heat source) from the secondary heating circuits (radiators, underfloor heating, domestic hot water tanks). The El600 specifically refers to the attached to the low-loss header.
If you have recently purchased a home with an older hydronic heating system or are a heating engineer looking for specific low-loss header data, you have likely found yourself searching for the Bosch El600 Manual . While Bosch is globally renowned for its high-efficiency condensing boilers (like the Greenstar series), the El600 is a specific, and somewhat rare, component found in sophisticated heating systems. Bosch El600 Manual
If you cannot find your original copy, act immediately. Contact Bosch Technical Support with the serial number of your unit. They can email you a PDF copy free of charge. Operating an El600 without the manual is like driving a car without a dashboard – you cannot see the warnings until it is too late. In hydronic heating systems, a low-loss header separates