Specification for independent thermostatically controlled central heating boilers with rated outputs up to 44 KW. Boilers with undergrate ash removal designed to burn solid smokeless fuels.
NORMA vydaná dňa 24.4.1969
Designation standards: BS 4433-1:1969
Note: NEPLATNÁ
Publication date standards: 24.4.1969
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategória: Technické normy BS