111252-01EFor more information, visit www.desatech.comFor more information, visit www.desatech.com1515VENTING INSTALLATIONINSTRUCTIONSContinuedVertical VentingV = 40' max.Figure 24 - Vertical Venting Configuration With No HorizontalRun (Vertical Round High Wind Termination Shown)Note: Install restrictorinto inner collar offireplace as shown.45° ElbowHIGH ALTITUDE INSTALLATIONYour DESA direct-vent fireplace has been tested and approved forelevations from 0-2000 feet (USA) and elevations from 0-4500 feet(Canada) .When installing this fireplace at an elevation above 2000 feet (in theUSA), you may need to decrease the input rating by changing theexisting burner orifice to a smaller size. Reduce input 4% for each1000 feet above sea level. Check with your local gas company forproper orifice size identification.When installing this fireplace at an elevation above 4500 feet (inCanada), check with local authorities.Consult your local gas company to help determine the proper orificefor your location.For assistance with any high altitude installation contact DESA’sCustomer Service Department at 1-866-672-6040.VENTING INSTALLATION INSTRUCTIONSInstallation for Vertical Termination (Cont.)High Altitude InstallationParts Lists for Venting Kits and ComponentsPARTS LISTS FOR VENTING KITS ANDCOMPONENTSDESA (5/8") Pipe & Vent KitsNumber DescriptionP58-6 6" Section Double Wall Pipe, GalvanizedP58-12 12" Section Double Wall Pipe, GalvanizedP58-24 24" Section Double Wall Pipe, GalvanizedP58-36 36" Section Double Wall Pipe, GalvanizedP58-48 48" Section Double Wall Pipe, GalvanizedPA58-712 Adjustable 7"-12" Section Double Wall Pipe, Galva-nizedFPA58-6 6" Duravent Collar to FMI Pipe Adaptor (6" collar/PipeSection)DPA58-6 6" FMI Collar to Pipe Duravent Adaptor (6" collar/PipeSection)E58-45 45 deg. Elbow, GalvanizedE58-90 90 deg. Elbow, GalvanizedFSE58-45 45 deg. Starter Elbow, Galvanized (Duravent Collar toFMI Pipe)DSE58-45 45 deg. Starter Elbow, Galvanized (FMI Collar toDuravent Pipe)VKG-58 Ground Floor Vent KitVKB-58 Basement Vent KitVKS-58 Snorkel Vent KitVKR-58 Roof Vent KitVKC-58 Corner Vent KitHTK Horizontal Round Termination KitHT-58 Horizontal Round Termination, GalvanizedHTKS-58 Horizontal Square Termination KitHTS-58 Horizontal Square Termination, GalvanizedVT-58 Vertical Round Termination, GalvanizedST-58-14 14" Snorkel Termination, GalvanizedST-58-36 36" Snorkel Termination, GalvanizedSC-58 Storm Collar, GalvanizedWF-58 Wall Firestop, GalvanizedRF-58-6 Roof Flashing - 0 to 6/12 Pitch, GalvanizedRF-58-12 Roof Flashing - 6/12 to 12/12 Pitch, GalvanizedVR-58 Vertical Restrictor, Galvanized