Registration number (WIID)Project No.TitleStatus
72420LVS EN 13203-5:2022Gas-fired domestic appliances producing hot water - Part 5: Assessment of energy consumption of gas-fired appliances combined with electrical heat pumpStandarts spēkā
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 
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 
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 
78257LVS CEN/TS 15502-3-3:2026Gas-fired central heating boilers - Part 3-3: 100 % Hydrogen - Expansion of EN 15502-2-1:2022 
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