
Installation
(for qualified installers only)
19
© Travis Industries
4/20/2018 - 1461
Northfield MV
Class A Chimney Conversion Kit (top vent configuration only)
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 14)
allowable. Remember to set the restrictor position to the correct position (based upon the vertical rise height - see
the chart on page 16).
!
The conversion kit does not work on interior masonry chimneys.
Chimney Conversion Kit A (# 931)
Metalbestos 6" I.D.
Security Chimneys 6" I.D.
Jackes-Evans 6" I.D.
Hart & Cooley 6" I.D.
Pro-Jet 6" I.D.
Chimney Conversion Kit B (# 932)
Simpson Dura-Vent 6" I.D.
Air-Jet 6" I.D.
Metal-Fab 6" and 7" I.D.
Amer. Metals 6" & 7" I.D.
Metalbestos 7" and 8" I.D.
Jackes-Evans 7" and 8" I.D.
Hart & Cooley 7" and 8" I.D.
Pro-Jet 7" and 8" I.D.
Security Chimneys 8" I.D.
Chimney Conversion Kit C (# 933)
Simpson Dura-Vent 7" and 8" I.D.
American Metals 8" I.D.
Air-Jet 8" I.D.
Metal-Fab 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)
Co-Axial Sections
*CAUTION:
This vent configuration is not covered under the appliance safety standard (ANSI Z21.88 CSA 2.33) used in the
safety certification of this appliance, however, this method has been tested by Travis Industries and it has been
determined to be safe following the instructions above. Before installing the appliance using this method, contact the
Authority Having Jurisdiction to determine if this installation is acceptable in your area.
Type A Chimney
Simpson Duravent Direct
Vent Pipe Sections
(use adjustable section)
Screw the Retro
Vertical Top to the
Flex Pipe
Retro Vertical Top
(screw to chimney)
Screw the Retro
Connector to the
Flex Pipe
Retro Connector
(screw to chimney)
4" (102 mm)
Aluminum Flex
Pipe
Cut the Flex Pipe to
the chimney height
plus 3" (76 mm)