Registration number (WIID)Project No.TitleStatus
26074LVS EN 13203-2:2006Gas-fired domestic appliances producing hot water - Appliances not exceeding 70 kW heat input and 300 l water storage capacity - Part 2: Assessment of energy consumptionAtcelts
75445LVS EN 13203-1:2025Gas fired domestic appliances producing hot water - Part 1: Assessment of performance of hot water deliveriesStandarts spēkā
59426LVS EN 13203-1:2016Gas fired domestic appliances producing hot water - Part 1: Assessment of performance of hot water deliveriesAtcelts
26072LVS EN 13203-1:2006Gas-fired domestic appliances producing hot water - Appliances not exceding 70 kW heat input and 300 l water storage capacity - Part 1: Assessment of performance of hot water deliveriesAtcelts
78257LVS CEN/TS 15502-3-3:2026Gas-fired central heating boilers - Part 3-3: 100 % Hydrogen - Expansion of EN 15502-2-1:2022 
77000LVS CEN/TS 15502-3-1:2024Gas-fired central heating boilers - Part 3-1: H2NG and ACCF - Expansion of EN 15502-2-1:2022Standarts spēkā
2727EN 677:1998Gas-fired central heating boilers - Specific requirements for condensing boilers with a nominal heat input not exceeding 70 kWAtcelts
26078EN 656:1999/A1:2006Gas-fired central heating boilers - Type B boilers of nominal heat input exceeding 70 kW, but not exceeding 300 kWAtcelts
2728EN 656:1999Gas-fired central heating boilers - Type B boilers of nominal heat input exceeding 70 kW but not exceeding 300 kWAtcelts
2731EN 625:1995Gas-fired central heating boilers - Specific requirements for the domestic hot water operation of combination boilers of nominal heat input not exceeding 70 kWAtcelts
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