Safety and performance requirements and methods of test for flueless space heating appliances, intended for industrial and commercial applications operating on 2nd family gas.
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BS 5990:1981
Original price was: $264.16.$132.00Current price is: $132.00.
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)
BSI Group , 12/23/1987
