Quadra-Fire • QFI30FB-IFT, QFI35FB-IFT Installation Manual • 2555-980 Rev. C • 9/1816E. Installing Adaptor and Termination CapCAUTION! Risk of Cuts/Abrasions/Flying Debris.Wear protective gloves and safety glasses during instal-lation. Sheet metal edges are sharp.For installation of termination cap see minimum ventheights for various pitched roofs (see Figure 7.4) .To install adaptor see Figure 7.5.Figure 7.4 Minimum Height from Roof to Lowest DischargeOpeningRoof Pitch H (Min.) Ft.Flat to 6/12...........................................................1.0*Over 6/12 to 7/12 .................................................1.25*Over 7/12 to 8/12 .................................................1.5*Over 8/12 to 9/12 .................................................2.0*Over 9/12 to 10/12 ...............................................2.5*Over 10/12 to 11/12 .............................................3.25Over 11/12 to 12/12 .............................................4.0Over 12/12 to 14/12 .............................................5.0Over 14/12 to 16/12 .............................................6.0Over 16/12 to 18/12 .............................................7.0Over 18/12 to 20/12 .............................................7.5Over 20/12 to 21/12 .............................................8.0* H minimum may vary depending on regional snowfall.Refer to local codes.HORIZONTALOVERHANGVERTICALWALLGAS DIRECT VENTTERMINATION CAP12XROOF PITCHIS X/ 12LOWESTDISCHARGEOPENING2 FT.MIN. 20 INCHES MIN.H (MIN.) - MINIMUM HEIGHT FROM ROOFTO LOWEST DISCHARGE OPENING