Non-domestic gas-fired forced convection air heaters for space heating not exceeding a net heat input of 300 kW, without a fan to assist transportation of combustion air and/or combustion products.
STANDARD published on 31.1.2010
Designation standards: BS EN 621:2009
Note: WITHDRAWN
Publication date standards: 31.1.2010
The number of pages: 116
Approximate weight : 379 g (0.84 lbs)
Country: British technical standard
Category: Technical standards BS