BSI - BS 5990
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)
|Publication Date:||31 March 1981|
|ICS Code (Gas heaters):||97.100.20|
Safety and performance requirements and methods of test for flueless space heating appliances, intended for industrial and commercial applications operating on 2nd family gas.