BS 5258-9 89th Edition, October 31, 1989
Safety of Domestic Gas Appliances - Part 9: Specification for Combined Appliances: Fanned-Circulation Ducted-Air Heaters/Circulators
Includes all amendments and changes through Reaffirmation Notice , November 1, 2012
Published By:British Standards Institution (BSI)
Safety requirements and associated methods of test for heaters either combined with, or designed to be fitted with, circulators. Covers appliances burning 1st, 2nd and 3rd family gases of rated heat inputs of the air heater and circulator not exceeding 60 kW and 8 kW, respectively.