CEN/TC 109
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 2743 | prEN 13203 | Qualification of domestic hot water function of gas-fired appliances for domestic use | Izstrādē |
| 68012 | EN 13203-7:2022 | Gas-fired domestic appliances producing hot water - Part 7: Assessment of energy consumption of combination boilers equipped with a passive flue heat recovery device | Izstrādē |
| 2744 | prEN 297:1994 rev | Gas-fired central heating boilers - Type B boilers of nominal heat input not exceeding 70 kW | Izstrādē |
| 78257 | FprCEN/TS 15502-3-3 | Gas-fired central heating boilers - Part 3-3: 100 % Hydrogen - Expansion of EN 15502-2-1:2022 | Izstrādē |
| 35715 | prEN 13203-4 | Gas fired domestic appliances producing hot water - Part 4: assessment of energy consumption of gas fired appliances combined heat and power (micro CHP) producing hot water and electricity not exceeding 70 kW heat input, not exceeding 50 kWe electrical output and 500 l water storage capacity | Izstrādē |
| 72411 | EN 13203-2:2022 | Gas-fired domestic appliances producing hot water - Part 2: Assessment of energy consumption | Izstrādē |
| 2748 | - | Gas-fired central heating boilers - Specific requirements for low-temperature boilers with a nominal heat input not exceeding 70 kW | Izstrādē |
| 2747 | - | Gas-fired central heating boilers - Type C boilers of nominal heat input exceeding 70 kW but not exceeding 1000 kW | Izstrādē |
| 2746 | - | Gas-fired central heating boilers - Specific requirements for condensing boilers with nominal heat input exceeding 70 kW but not exceeding 1000 kW | Izstrādē |
| 25991 | - | Gas-fired central heating boilers - Specific requirements for condensing boilers with nominal heat input exceeding 70 kW but not exceeding 1000 kW | Izstrādē |
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