Hearth and Home Technologies ST-550TM-IPI Top Vent Horizontal Termination Three Elbows

1. Top Vent - Horizontal Termination - (continued)

Three Elbows

Note: There MUST be a 25% reduction in total H when using flex vent except when using the simple up and out installation (see Figure 7.3).

V1 Minimum		H1 + H2 Maximum		V2	V1 + V2 Min.
1 ft.**	305 mm	1 ft.	305 mm	*	*
2 ft.**	610 mm	2 ft.	610 mm	*	*
3 ft.**	915 mm	4 ft.	1.2 m	*	*
4 ft.	1.2 m	6 ft.	1.8 m	*	*
5 ft.	1.5 m	14 ft.	4.3 m	*	*

H1 + H2 Max. =14 ft. (4.3 m)

V1 + V2 + H1 + H2 Max. = 40 ft. (12.2 m) *No specific restrictions on this value

EXCEPT V1 + V2 + H cannot exceed 40 ft. (12.2 m)

See Warning Below**

Note: A section of vertical pipe (12 inches minimum)

MUST be installed prior to attaching a 90° elbow.

H2

V2

V1

H1

WARNING**

Fire Risk.

•When using SLP-HRC-SS and SLP-HRC-ZC-SS termination caps on top vented fireplaces, a two foot minimum vertical vent section is required before installing first elbow.

•When using DVP-TB1 termination cap on top vented fireplaces, a three foot minimum vertical vent section is required before installing first elbow.

•When using any other cap, a section of vertical pipe (12 inches minimum) MUST be installed prior to attaching a 90° elbow.

Figure 7.6

28 Heat & Glo • ST-550TM-IPI • 2142-900 Rev. B • 11/08