Installation manual
14 
Simpson Dura-Vent DV-PRO 5” x 8” direct vent system (horizontal and vertical terminations). 
Simpson Dura-Vent 8” x 6-5/8” Decreaser (used with Simpson Dura-Vent direct vent system only). 
Selkirk Model DT 5” x 8” direct vent chimney system (horizontal and vertical terminations). 
Kozy Heat #800-1 series flexible vent system (horizontal terminations). 
Metal Fab 5” x 8” Model DT direct vent chimney system (horizontal and vertical terminations). 
ICC EXCELDirect 5” x 8” direct vent chimney system (horizontal and vertical terminations). 
Security 5” x 8” direct vent chimney system (horizontal and vertical terminations). 
Amerivent / American Metal 5” x 8” direct vent chimney system (horizontal and vertical terminations). 
BDM 5” x 8” Direct Vent Chimney System (horizontal and vertical terminations). 
HORIZONTAL VENT SYSTEM CLEARANCES 
TOP  BOTTOM  SIDES 
ALL APPROVED VENTING 
3 inches (76mm)  1 inch (25mm)  1 inch (25mm) 
HORIZONTAL TERMINATIONS (5” X 8”) 
MINIMUM: 90° elbow + 6” (152mm) horizontal + termination cap. (Horizontal Vent Heat Shield required). 
MAXIMUM: 90° elbow + 30ft. (9.14m)* + termination cap. 
* Horizontal terminations over 25ft. (7.62m) must use stainless steel pipe for the entire length of termination. 
HORIZONTAL TERMINATIONS (with 8” x 6-5/8” Decreaser) 
MINIMUM: 2ft. (610mm) vertical + Decreaser + 90° elbow + 6” (152mm) horizontal + termination cap. 
MAXIMUM: 2ft. (610mm) vertical + Decreaser + 90° elbow + 30ft.* (9.14m) horizontal + termination cap. 
* Horizontal terminations over 25ft. (7.62m) must use stainless steel pipe for the entire length of termination. 
VENTING          
APPROVED VENTING 
This fireplace is designed to be used with any of the following vent systems without the use of an additional adaptor. Refer  to vent manufacturer's 
installation manual for complete installation instructions. Installation must conform with venting requirements and restrictions as outlined in this 
manual.  
IMPORTANT  Consult the local and national installation codes to assure adequate combustion and ventilation air is available. 
IMPORTANT 
The horizontal vent heat shield must be installed when using a 90-degree elbow to horizontally position the vent system. 
Kozy Heat Wall Pass-thru, #800-WPT (4-1/2” (114mm) - 6-1/2” (165mm) wall thickness),  
or #800-WPT2 (6-1/2” (165mm)-12-1/2” (318mm) wall thickness) must be used on all horizontal vent runs if using 5” x 8” venting.  
 If using Dura-Vent 8” x 6-5/8” Decreaser, follow vent pipe manufacturer’s installation instructions for their wall thimble. 
IMPORTANT 
The  horizontal  heat  shield included  with this fireplace  must  be  installed  when using  a  90-degree  elbow  to horizontally 
 position vent system. This includes any corner installation. 
Flame height and appearance will vary depending upon venting configuration and type of fuel used. Venting requirements apply 
to both Natural and LP gas. 










