Regency ® P48-2 Zero Clearance Direct Vent Gas Fireplace14SIMPSON DURA-VENT VENTINGHorizontal or Vertical TerminationsThe Simpson Dura-Vent Direct Vent System offers a complete line of component parts for installation of both horizontal and vertical installations. Manyitems are offered in decorative black, as well as galvanized finish. We recommend using the galvanized finish for installation with the P48-2.The minimum components required for a basichorizontal termination are:1 Horizontal Termination Cap1 45 o Elbow1 Flue Adaptor1 Wall Thimble1 Length of pipe to suit wall thickness(see chart)Wall thickness is measured from the backstandoffs to the inside mounting surface oftermination cap. For siding other than vinylfurring strips may be used, instead of the vinylsiding standoff, to create a level surface tomount the vent terminal. The Terminal mustnot be recessed into siding. Measure the wallthickness including furring strips.If a Vinyl Siding Standoff is required (itmust be used with vinyl siding), measure tooutside surface of wall without siding andadd 2 inches.AlternateHorizontal TerminationCapsFlat Wall InstallationWall Thickness(inches)Vent LengthRequired (in.)4" - 5-1/2" none7" - 8-1/2" 6"10" - 1-1/2" 9"9" - 14-1/2" 12"15" - 23-1/2" 11" - 14-5/8" Adj.PipeINSTALLATION