
Gas-fired central heating boilers. Type B11 and B11BS boilers fitted with atmospheric burners of nominal heat input not exceeding 70 kW.
STANDARD published on 31.7.2006
Designation standards: BS EN 297:1994
Note: WITHDRAWN
Publication date standards: 31.7.2006
The number of pages: 140
Approximate weight : 451 g (0.99 lbs)
Country: British technical standard
Category: Technical standards BS