Registration number (WIID)Project No.TitleStatus
64844LVS EN 13203-4:2022Gas-fired domestic appliances producing hot water - Part 4: Assessment of energy consumption of gas combined heat and power appliances (mCHP) producing hot water and electricityStandarts spēkā
78257LVS CEN/TS 15502-3-3:2026Gas-fired central heating boilers - Part 3-3: 100 % Hydrogen - Expansion of EN 15502-2-1:2022 
2734LVS EN 297:1994/A2:1996Gas-fired central heating boilers - Type B11 and B11BS boilers, fitted with atmospheric burners of nominal heat input not exceeding 70 kW 
2735LVS EN 297:1994/A5:1998Gas-fired central heating boilers - Type B11 and B11BS boilers, fitted with atmospheric burners of nominal heat input not exceeding 70 kW 
2736LVS EN 297:1994/A3:1996Gas-fired central heating boilers - Type B11 and B11BS boilers, fitted with atmospheric burners of nominal heat input not exceeding 70 kW 
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