Hearth and Home Technologies ESCAPE-42DV 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

NOTE: A flue restrictor can	Note: Must have a 24	inches
only be used in vent runs that	minimum vertical vent	before
include no elbows and exceed	attaching any elbow to the unit.
30 ft. total of straight vertical.

V1

H1

V1 Minimum		H1	Maximum
2 ft	610 mm	7 in*		178 mm
3 ft	914 mm	2 ft		610 mm
4 ft	1.2 m	4 ft		1.2 m
5 ft	1.5 m	9 ft		2.7 m
6 ft	1.8 m	12 ft		3.7 m
7 ft	2.1 m	14 ft		4.3 m
10 ft	3.0 m	20 ft		6.1 m
20 ft	6.1 m	40 ft		12.2 m

After V1= 6 ft then H1 = 2 x V ft Maximum

V1 + H1 = 60 ft Maximum

*when used with approved termination caps

Figure 5.3

Two Elbows

NOTE: A flue restrictor can
	Note: Must have a 24	inches
only be used in vent runs that	minimum vertical vent	before
include no elbows and exceed	attaching any elbow to the unit.
30 ft. total of straight vertical.

V1 Minimum		H1+ H2
3 ft	914 mm	18 in	457 mm
4 ft	1.2 m	3 ft	914 mm
5 ft	1.5 m	7 ft	2.1 m
6 ft	1.8 m	10 ft	3.0 m
7 ft	2.1 m	12 ft	3.7 m
10 ft	3.0 m	18 ft	5.5 m
20 ft	6.1 m	20 ft	6.1 m

After V1= 6 ft then H1 = 2 x V1 ft Maximum

V1 + H1 + H2= 60 ft Maximum

H1 + H2= 20 ft Maximum

H2H1

INSTALLED

HORIZONTALLY

Figure 5.4

V1

14 Heat & Glo • Escape-42DV • 2052-900 Rev. R • 10/08