Specification for installation of gas-fired hot water boilers of rated inputs between 60 kW and 2 MW (2nd and 3rd family gases).
NORM herausgegeben am 31.3.1986
Designation standards: BS 6644:1986
Note: UNGÜLTIG
Publication date standards: 31.3.1986
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategorie: Technische Normen BS