Non-domestic gas-fired forced convection air heaters for space heating not exceeding a net heat input of 300 kW, incorporating a fan to assist transportation of combustion air and/or combustion products (includes Amendment A1:2001); German version EN 1020:1997 + A1:2001— 137 стр.
Domestic gas-fired forced convection air heaters for space heating, with fan-assisted burners not exceeding a net heat input of 70 kW (includes amendment A1:2001 + A2:1999); German version EN 1319:1998 + A1:2001 + A2:1999— 119 стр.
