2.3 Approvals Natural Gas Intergas Combi Compact HRE Pre-mix Condensing Combination Boiler British Gas Service Listing: Combi Compact HRE 36/40 G.C.N. 47-291-04 Combi Compact HRE 36/30 G.C.N. 47-291-03 Combi Compact HRE 28/24 G.C.N. 47-291-02 Combi Compact HRE 24/18 G.C.N. 47-291-01 Notified /Body Gastec 0063BT3576 Directive 90/396/EEC Directive 92/42/EEC Intergas Heating Ltd 7