NF EN 656/A1

Gas-fired central heating boilers - Type B boilers of nominal heat input exceeding 70 kW but not exceeding 300 kW

Le présent document définit les exigences et les méthodes d'essais relatives à la construction, la sécurité et l'utilisation rationnelle de l'énergie des chaudières de chauffage central des types B, utilisant les combustibles gazeux, dont le débit calorifique nominal est supérieur à 70 kW mais inférieur ou égal à 300 kW. Il complète les exigences de l'EN 656 pour les chaudières "standard" qui peuvent donner lieu à condensation dans certaines circonstances, et pour les chaudières "basse température".

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