20 Regency ® P33-4 Zero Clearance Direct Vent Gas FireplaceINSTALLATIONRIGID PIPE VENTING SYSTEMSHorizontal or Vertical TerminationsThe minimum components required for a basichorizontal termination are:1 AstroCap Horizontal Termination Cap1 45 o Elbow1 Rigid Pipe Adaptor1 Wall Thimble1 Length of pipe to suit wall thickness(see chart)For siding other than vinyl furring strips may be used,instead of the vinyl siding standoff, to create a levelsurface to mount the vent terminal. The Terminalmust not be recessed into siding.If a Vinyl Siding Standoff is required (it must beused with vinyl siding), measure to outside surfaceof wall without siding and add 2 inches.Flat Wall InstallationMax. Wall Vent LengthThickness (inches) Required (inches)7 - 1/4" 6"10 - 1/4" 9"13 - 1/4" 12"12-1/4" - 15-7/8" 11" - 14-5/8" Adj. Pipe18-1/4" - 25-1/4" 11" - 14-5/8" Adj. PipeAlternateHorizontalTerminationCapsThis product has been evaluated by Intertekfor using a Rigid Pipe Adaptor in conjunctionwith Duravent Direct-Vent , Selkirk Direct-Temp,Ameri Vent Direct venting and Security SecureVent systems. Use of these systems with theRigid Pipe adaptor is deemed acceptable anddoes not affect the Warnok Hersey/Interteklisting of components.WARNING:Do not combine venting components fromdifferent venting systems.However use of the AstroCap TM and FPI Riseris acceptable with all systems.When using Rigid Vent other thanSimpson Dura-Vent, 3 screws must beused to secure rigid pipe to adaptor.The FPI AstroCap TM and FPI Riser Vent terminal are certified for installations using FPI venting systems as well as Simpson Dura-Vent ® Direct Vent Pro,American Metal Products Ameri Vent Direct Vent, Security Secure Vent ®, Selkirk Direct-Temp. AstroCap TM is a proprietary trademark of FPI FireplaceProducts International Ltd. Dura-Vent® and Direct Vent are registered and/or proprietary trademarks of Simpson Dura-Vent Co. Inc.