Installation manual

20
VENTING
MAXIMUM VERTICAL & HORIZONTAL
COMBINATION VENTING
8” x 6-5/8” DECREASER
VERTICAL & HORIZONTAL COMBINATION TERMINATIONS
MAXIMUM VERTICAL & HORIZONTAL
COMBINATION VENTING
5” x 8”
20ft.
(6.10m)
20ft.
(6.10m)
20ft.
(6.10m)
20ft.
(6.10m)
90° ELBOW
TERMINATION CAP
8” x 6-5/8” DECREASER
6” (152mm)
Figure 20b
Figure 20a
NOTE
Page 19 has information on restrictor installation in conjunction with venting installation. Page 29 has information on
restrictor recommendations depending on burner flame appearance and instructions on installation after venting is completed.
Horizontal sections require 1/4” (6mm) rise for every 12” (305mm) of travel.
For each additional elbow used after first elbow, 3ft. (914mm) must be subtracted from maximum venting allowed. For each 45° elbow
used, 1-1/2ft. (457mm) must be subtracted from maximum venting allowed.
(2) 45° degree elbows may be used in place of (1) 90° elbow.
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 5” x 8” horizontal vent runs.
If using 8” x 6-58” Decreaser, follow manufacturer’s instructions.
CAUTION This gas appliance must not be connected to or joined with any other chimney flue serving another appliance.
90° ELBOW
TERMINATION CAP