38Installation Addenda
ADDENDUM #1 Class A Chimney Conversion Kit
Simpson Duravent provides a conversion kit for those wishing to use an existing wood stove chimney to vent this direct vent stove. The illustration below gives an overview of this type of installation. See the instructions included with the kit for details.
! | Do not exceed the maximum vertical rise (see the |
| section "Approved Vent Configurations" starting on |
| page 9) allowable. Remember to set the restrictor |
| position to the correct position (based upon the |
| vertical rise height - see the chart on page 10). |
! | The conversion kit does not work on interior |
| masonry chimneys. |
| Chimney Conversion Kit A (# 931) |
| Metalbestos 6" I.D. |
| Security Chimneys 6" I.D. |
Screw the Retro Vertical Top to the Flex Pipe
Retro Vertical Top 
(screw to chimney)
Cut the Flex Pipe to the chimney height 
plus 3" (75 mm)
Hart & Cooley 6" I.D. |
Chimney Conversion Kit B (# 932) |
Simpson |
Amer. Metals 6" & 7" I.D. |
Metalbestos 7" and 8" I.D. |
Hart & Cooley 7" and 8" I.D. |
Security Chimneys 8" I.D. |
Chimney Conversion Kit C (# 933) |
Simpson |
American Metals 8" I.D. |
American Metals 8" I.D. |
Each Kit Contains: |
Retro Connector |
Retro Vertical Top |
Additional Required Equipment: |
4" Flex (#711 or U.L. 1777) |
Termination (#991) |
Type A Chimney 
4" (100 mm)
Aluminum Flex
Pipe
Retro Connector (screw to chimney)
Simpson Duravent Direct Vent Pipe Sections (use adjustable section)
Screw the Retro Connector to the Flex Pipe
Travis Industries | 4 1 2 2 1 0 4 | 9 3 5 0 8 1 1 7 |