13Quadra-Fire • QFI30FB-IFT, QFI35FB-IFT Installation Manual • 2555-980 Rev. C • 9/18B. Venting ComponentsCAUTION! Risk of Cuts/Abrasions/Flying Debris.Wear protective gloves and safety glasses during instal-lation. Sheet metal edges are sharp.The vertical vent termination system installed on this modelincludes:• One 3 ft. section stainless steel flexible pipe (includedwith insert).• One length of 3 in. flexible vent pipe for exhaust air(included with vent kit).• One length of 3 in. flexible vent pipe for combustion air(included with vent kit).• One pipe-to-cap adaptor (included with vent kit).• One vertical termination cap (included with vent kit).• Installation instructions for use in venting installation(included with the vent kit).Figure 7.1WARNING! Risk of Fire/Explosion/Asphyxiation! DoNOT connect this gas appliance to a chimney flue servinga separate solid fuel or gas burning appliance.• Could impair safe operation of this appliance or otherappliances connected to the flue.• Vent this appliance directly outside.• Use separate vent system for this appliance.Horizontal venting is NOT allowed.Vertical terminations are measured to top of chimney.This appliance is listed for use with LINK-DV systemsand components only. It is permissible to extend ventingabove existing chimney (within specified maximum verti-cal limits) using SLP series or Dura Vent GS series 4 in. x6-5/8 in. gas direct-vent pipe. Connection is made usingDV-46DVA-GK.A. Vent LimitsThe abbreviations listed in this vent table key are used inthe vent diagrams.DescriptionMinimum Vertical Run Length 10 ft.Maximum Vertical Run Length 50 ft.CAUTION! ALL vent specifications MUST be followed.This product is tested and listed to these specifications.Appliance performance will suffer if specifications are notfollowed.EXHAUSTAIRVENT PIPETERMINATIONCAPEXHAUST STARTING COLLARSTARTING COLLAR BRACKETINLET AIR STARTING COLLARINLET AIRVENT PIPEADAPTERV = 10 FT. MINIMUM50 FT. MAXIMUMNOTE: TO ACHIEVE OPTIMUM PERFORMANCE,MINIMIZE OR AVOID BENDS IN EXHAUST VENTPIPE.EXHAUSTCOLLARINLETCOLLARHANDLEREQUIRED 3 FT.STAINLESS STEELSECTION EXHAUSTSTARTINGCOLLARINLET AIRSTARTINGCOLLARSTARTINGCOLLARBRACKETLOCKINGFLANGE7 Installing Vent Pipe and Appliance