Hearth and Home Technologies Cyclone-Cust D. Vent Diagrams, Two Elbows, Vt Ht, VT H2H1, VT Min

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 minimum of 2 feet before the first 90º elbow can be achieved by using a 12 inch section of DVP and the (cyclone-12slip) slip section.

VT

HT

VT Min.		HT Max.
2	ft.	2	ft.
3	ft.	6	ft.
4 ft.		10 ft.
5 ft.		15 ft.

VT + HT = 40 ft. Max

Figure 5.3

Two Elbows	H1	H2	VT Min.		HT Max.
	*	*	2	ft.	2	ft.
	*	*	3	ft.	6	ft.
	*	*	4 ft.		10 ft.
	*	*	5 ft.		15 ft.
HT		VT + HT = 40 ft. Max.
	*No specific restrictions on this value
	EXCEPT VT + HT cannot exceed 40 ft. Max.

VT

H2H1

Figure 5.4

Heat & Glo • Cyclone-Cust • 2061-900 Rev. L • 10/08 13