Regency ® PG36-5 Gas Log Fireplace 13INSTALLATION182024221261626283032343638148102 0 45203.515.544.51.50.532.5203.511.50.532.51029mmMinimumHeightRequirementM etersM etersFLUEING ARRANGEMENTS - HORIZONTAL TERMINATIONSSIMPSON DURA-VENT DIRECT FLUE GS SYSTEM andREGENCY ® DIRECT FLUE SYSTEM (FLEX)(LPG & NG)The diagram shows all allowable combinations of vertical runs with horizontal terminations, using one 90 o elbow (two 45 o elbows equalone 90 o elbow).Note: Must use optional flue adapter (Part # 510-994) when using Simpson Dura-Vent pipe.Simpson Dura-Vent4" (102mm) inner diameter6-5/8" (168mm) outer diameterRegency ® Flex Vent4" (102mm) inner diameter6-7/8" (175mm) outer diameter• Maintain clearances to combustibles as listed in the "Clearances," "Locating Your Gas Fireplace," "Combustible Mantels,""Mantel Leg Clearances" & "Framing and Finishing" sections.• Horizontal fl ue must be supported every 3 feet (0.9 meters).• Firestops are required at each floor level and whenever passing through a wall.A flue guard should be used wheneverthe termination is lower than thespecified minimum or as per localcodes.Note: Regency ® Co Axial Flue System(Flex) is only approved forhorizontal terminations.