Vent Installation
SECTION 7
VENTING
#SFD-36
R.6 February 2022
37
HUSSONG MFG. CO., INC.
KOZY HEAT FIREPLACES
7.5.2.2 4” x 6-5/8” Combination Venting
The vertical vent heat shield must be installed for all venting
installations. Refer to Section
IMPORTANT: Horizontal vent sections require ¼” (6mm) rise for every
12” (305mm) of travel.
(i)
Minimum Vertical and Maximum Horizontal Venting:
24” (610mm) min 5” x 8” vertical 4” x 6-5/8” r
90° elbow for 4” x 6-5/8” pipe + 24” (610mm) max 4” x 6-5/8”
horizontal termination cap
(ii)
Maximum Vertical and Maximum Horizontal Venting:
24” (610mm) min 5” x 8” vertical 4” x 6-5/8” reducer
+ 23’ (7m) max 4” x 6-5/8” vertical length _ 90° elbow for 4” x
6-5/8” pipe + 25’ (7,6mm) max 4” x 6-5/8” horizontal
termination cap
5” x 8“ Min Vertical = 24” (610mm)
4” x 6-5/8“
Maximum Horizontal
= 24” (610mm)
A
B
D
i
C
B
D
A
C
4” x 6-5/8”
Max Vertical
= 23’ (7m)
5” x 8” Max Vertical = 24” (610mm)
4” x 6-5/8”
Max Vertical = 25’ (7.6m)
ii
DIAG. 4
REDUCER NATURAL GAS AND PROPANE COMBINATION VENTING
(A)
4” x 6-5/8” 90
°
Elbow
(B)
Vertical Vent Heat Shield
(C)
4” X 6-5/8” reducer
(D)
Termination Cap