#CLW-72 R.1 April 2019
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
VENTING 37
7.5 Natural Draft Vent Installation
7.5.1 Natural Gas Venting
7.5.1.1 Vertical Terminations
Table 7.1, Natural Gas Natural Draft
Vertical Terminations - Min. Vertical / Max. Vertical
Minimum Vertical Length
Maximum Vertical Length
3 ft
914 mm
50 ft
15.2 m
Minimum/ Maximum Vertical Venting:
45° vertical elbow + 3’ (914mm) minimum vertical length / 50’
(15.24m) maximum vertical termination cap
DIAG.1 NATURAL GAS VERTICAL VENTING
(A)
Stand-off Heat Shields
(B)
45
°
Elbow
(C)
90
°
Elbow (not applicable)
(D)
Termination Cap
3’
(914mm)
50’
(15.24m)
A
B
D
