Regency ® P121-2/P121LC-2/P121RC-2/P131-2 Zero Clearance Direct Vent Gas Fireplace 15Description SimpsonDirect Vent Pro ®SimpsonDirect Vent GS ®DiscontinuedSelkirkDirect-Temp™American MetalProducts ®Amerivent DirectMetal-Fab®Sure SealSecuritySecure Vent ®Attic Insulation Shield 12” 46DVA-IS - N/A from FPI N/A N/A 4DAIS12 N/A SV4RSAAttic Insulation Shield - Cold Climates 36” N/A N/A N/A 4DAIS36 N/A N/ABasic Horizontal Termination Kit (A) DISC. 970 4DT-HKA 4DHTK2 4DHTKA SV - SHKHorizontal Termination Kit (B) 46DVA-KHA(Changed Components) 971 4DT-HKB 4DHTK1 4DHTKB SV - HKVertical Termination Kit DISC. 978 4DT-VKC 4DVTK 4DVTK SV - FKHigh Wind Vertical Cap 46DVA-VCH 991 N/A N/A N/A N/AHigh Wind Horizontal Cap 46DVA-HC 985 N/A N/A N/A N/AHorizontal Square Termination Cap Disc - See 46DVA-HC 984 4DT-HHC 4DHC 4DHT SV4CHC-1Vertical Termination Cap 46DVA-VC 980 4DT-HVC 4DVC 4DVT SV4CGV-1Storm Collar 46DVA-SC 953 4DT-SC 4DSC 4DSC SV4FCAdjustable Flashing, 0/12-6/12 46DVA-F6 943 4DT-AF6 4DF 4DF SV4FAAdjustable Flashing, 6/12-12/12 46DVA-F12 943S 4DT-AF12 4DF12 4DF-12 SV4FBVinyl Siding Standoff 46DVA-VSS 950 4DT-VS N/A 4DVS SV4VSVinyl Siding Shield Plate N/A N/A 4DT-VSP N/A N/A SV4VSSnorkel Termination 14” 46DVA-SNK14 982 4DT-ST14 4D12S 4DST14 SV4STC14Snorkel Termination 36” N/A 981 4DT-ST36 4D36S 4DST36 SV4STC36Restrictor Disk 46DVA-RD 929 N/A N/A N/A N/AExtended Vertical Termination Cap 46DVA-VCE 930 N/A N/A N/A N/AChimney Conversion Kit A 46DVA-KCA 931 N/A N/A N/A N/AChimney Conversion Kit B 46DVA-KCB 932 N/A N/A N/A N/AChimney Conversion Kit C 46DVA-KCC 933 N/A N/A N/A N/AChimney Conversion Kit Masonry 46DVA-KMC 934 N/A N/A N/A N/AMansonry Chimney Conversion Kit(includes: Cap Adapter 18”x18” Flashing) 46DVA-KCT 935 N/A N/A N/A N/AWall Firestop 46DVA-WFS 947 N/A N/A N/A N/AColinear Flex Connectors 46DVA-ADF 923F N/A N/A N/A N/AFPI946-506/P Vent Guard (Optional) for AstropCap 946-205 Vinyl Siding Shield for Riser Vent Terminal510-994 Rigid Pipe Adapter (Must use with all Rigid Piping) 946-208/P Vent Guard (Optional) for Riser Vent Terminal640-530/P Riser Vent Terminal 946-523/P AstroCap Horizontal Cap946-206 Vinyl Siding Standoff for AstroCap4” x 6-5/8” Rigid Pipe Cross Reference Chart (Cont.)Components from different Manufacturers may not be mixed. Not All Rigid Pipe components are available directly from FPI.*NOTE: When using Metal-Fab Sure Seal Rigid Piping please note that either the Adaptor (4DDA) or 90º Starter Elbow (4D90A)must be used in conjunction with FPI Rigid Pipe Adaptor (510-994).Offset Pipe Selection:Use this table to determine offset pipe lengths.Pipe Length 4” x 6-5/8” VentingRun (X) Rise (Y)0”(0mm) 4-7/8”(124mm) 13-3/8”(340mm)6”(152mm) 8”(203mm) 16-1/2”(419mm)9”(229mm) 10-1/8”(257mm) 18-5/8”(473mm)12”(305mm) 12-1/4”(311mm) 20-3/4”(527mm)24”(610mm) 20-5/8”(524mm) 29-1/8”(740mm)36”(914mm) 29”(737mm) 37-1/2”(953mm)48”(1219mm) 37-7/16”(951mm) 45-15/16”(1167mm)LYXNOTE: Horizontal runs of vent must be level, or have a 1/4 inch rise for every 1 foot of run towardsthe termination. Never allow the vent to run downward. This could cause high temperatures andmay present a possible fire hazard.For specifi c instructions or details on particularventing components please visit the followingwebsites:Simpson Direct Vent Pro: www.duravent.comSelkirk Direct-Temp: www.selkirkcorp.comAmerican Metal Products Amerivent Direct:www.americanmetalproducts.comMetal-Fab Sure Seal: www.mtlfab.comSecurity Secure Vent: www.securitychimneys.comINSTALLATION