25
8. Operateheaterthrough1heatcycletoensurecombustion-airand
ventpipesareproperlyconnectedtoconcentricventtermination
connections.
fIGure G.
MultI-concentrIc vent terMInatIonsWhentwoormoreappliancesaredirectedventedwithconcentric
ventterminationsnear each other, each appliance must be
individuallyvented.NEVERcommon ventthisappliance.When
twoormore appliances are direct vented using concentric vent
terminations,theappliances maybevented asshownin FigureH
andFigureI.
figure h.
ConcentricVentTerminations
forHorizontalDirectVenting.
figure I.
ConcentricVentTerminationsforVertical
DirectVentingthrougharoof.