901746-01D4BURNER ORIFICELOG NATURAL PROPANE/LPSIZE IN. NUM. IN. NUM.18SR/DR .120 31 .073 4924SR/DR/BFLR18 .129 30 .086 4430DR/BFLR24 .1405 28 .089 43FLUE OPENING SPECIFICATIONSNote: This vented appliance must be installed only in a solid-fuelburning fireplace with a working flue and constructed of noncom-bustible material.The charts in Figure 2 indicate technical information regarding theinstallation of your gas log set. Please make sure that all of thespecifications shown are applicable before installation is attempted.The fireplace must include a working flue and venting system withthe minimum openings shown in the Figure 2.CHECK GAS TYPEUse only natural gas. If your gas supply is not natural gas, you mustinstall ON/OFF Safety Valve/Pilot Kit (see Accessories, page 15).Call dealer where you bought log set.If the fireplace does not have a gas supply shut-off valve, one mustbe installed.MODEL DESCRIPTIONBVSR18 18" Single Burner 50,000 40,000 8" dia.BVSR24 24" Single Burner 60,000 50,000 8" dia.BVDR18 18" Dual Burner 55,000 45,000 8" dia.BVDR24 24" Dual Burner 65,000 55,000 8" dia.BVDR30 30" Dual Burner 70,000 60,000 8" dia.BFLR18 18" Triple Burner 65,000 55,000 8" dia.BFLR24 24" Triple Burner 70,000 60,000 8" dia.Btu InputNaturalGasBtu InputPropane/LPGasMinimumVentOpening*Add 6" if safety valve/pilot is used**At depth indicatedFUEL INLET PRESSURESPECIFICATIONS ("W.C.)Min. Max.NG 5.5 10.5LP 11 13Figure 2 - Technical Information ChartsINSTALLATIONWARNING: Before installing in a solid fuel burningfireplace, the chimney flue and firebox must be cleanedof soot, creosote, ashes and loose paint by a qualifiedchimney cleaner. Creosote will ignite if highly heated.A dirty chimney flue may create and distribute sootwithin the house. Inspect chimney flue for damage.NOTICE: Installation, service, and repair of this appli-ance must be performed by a qualified installer,service agency, company or gas supplier experi-enced with this type of gas appliance. Only factoryauthorized components listed in these instructionsmay be used in accordance with the manufacturer’sinstructions and all codes and requirements of theauthority having jurisdiction. Any modifications tothis kit, or use of unauthorized components or acces-sory items will void the manufacturer’s warranty, andmay result in a hazardous condition.CAUTION: Do not remove the data plates at-tached to the burner pan. The data plates containimportant warranty information.INSTALLATIONFlue Opening SpecificationsCheck Gas TypeMINIMUM FIREBOX SIZESFRONT BACKMODEL WIDTH* WIDTH** DEPTH HEIGHT18DR/SR 28" 16" 14" 18"24DR/SR 29 3 /4 " 17" 15 1 /2" 18"30DR 36" 27" 18" 18"BFLR18 28" 16" 15 1 /2" 18"BFLR24 33" 22" 15 1 /2" 18"