Specification for direct gas fired forced convection air heaters for space heating (60 kW up to 2 MW input): safety and performance requirements (excluding electrical requirements) (2nd family gases).
NORMA vydána dne 23.12.1987
Designation standards: BS 5990:1981
Note: NEPLATNÁ
Publication date standards: 23.12.1987
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategorie: Technické normy BS