Oil-fired boilers. Part 6: Oil-fired boilers with forced draft burners. Special energy efficiency requirements for hot water heaters and combined oil-fired boilers with forced draft burners up to 70 kW nominal heat input

This document establishes specific energy efficiency requirements for hot water heaters and combination boilers fueled by liquid fuels equipped with forced draught burners, with a rated heat input not exceeding 70 kW. It defines the technical criteria and testing methodologies necessary to assess the performance of heating appliances falling under the scope of this particular component within a broader series. The content focuses on ensuring that these systems operate with optimized combustion characteristics and improved thermal efficiency while meeting defined environmental and safety benchmarks. Detailed provisions cover measurement procedures, data analysis, and compliance verification methods to guarantee consistent performance across similar units. By adhering to these specifications, manufacturers and installers can ensure that equipment meets the necessary regulatory thresholds for energy consumption and emissions. The guidelines serve as a technical reference for evaluating product design and operational parameters in compliance with established norms for liquid-fueled heating systems within the relevant jurisdiction.