Heat & Glo LifeStyle 2137-900 Vent Diagrams, Top Vent Horizontal Termination One Elbow

D. Vent Diagrams

WARNING

Fire Risk. Explosion Risk.

Do NOT pack insulation or other combustibles between ceiling firestops.

•ALWAYS maintain specified clearances around venting and firestop systems.

•Install wall shield and ceiling firestops as specified.

Failure to keep insulation or other material away from vent pipe may cause fire.

1. Top Vent - Horizontal Termination

One Elbow	V1 Minimum		H1 Maximum
	Elbow only		1-1/2 ft.	457 mm
	1 ft.	305 mm	2-1/2 ft.	762 mm
	1-1/2 ft.	457 mm	3-1/2 ft.	1.1 m
	2-1/2 ft.	762 mm	5-1/2 ft.	1.7 m
V1	3-1/2 ft.	1.1 m	7-1/2 ft.	2.3 m
H1	4-1/2 ft.	1.4 m	15-1/2 ft.	4.7 m
	V1	+ H1 = 39 ft. (11.9 m) Maximum
	H1 = 15-1/2 ft. (4.7 m) Maximum

Figure 5.3

Two Elbows

V1 Minimum		H1 + H2 Maximum
2 - 90º elbows		Cannot do
back to back
6 in	152 mm	1 1/2 ft.	457 mm
1-1/2 ft.	457 mm	2-1/2 ft.	762 mm
2-1/2 ft.	762 mm	4-1/2 ft.	1.4 m
3-1/2 ft.	1.1 m	6-1/2 ft.	1.9 m
5-1/2 ft.	1.7 m	15-1/2 ft.	4.7 m

V1 + H1+ H2 = 48 ft. (14.6 m) Maximum H1 + H2 = 15-1/2 ft. (4.7 m) Maximum

H2

H1

V1

Figure 5.4	INSTALLED
	HORIZONTALLY

12 Heat & Glo • Soho24B • 2137-900 Rev. P • 8/12