Direct Vent Information - Inca Metal Cutting Tasman DV Linear ESSENCE Installation And Operating Instructions Manual

3.3.3 Direct Vent Information (continued)
2-Ply Aluminum Flex Vent
The minimum vent system for horizontal termination must consist of:
12 (305 mm) vertical length (measured to center of vent pipe) with a 90 degree bend and a
12 (305 mm) horizontal length (measured from center of vent pipe)
Wall thimble part# IMC1082A
Horizontal termination cap part # IMC1070A or IMC1070B
The maximum horizontal vent system consists of:
34 (10363 mm) vertical length with a 4 - 90 degree bends and a 20 (6096 mm) horizontal
length (measured to center of vent pipe)
Wall thimble part# IMC1082A
Horizontal termination cap part # IMC1070A or IMC1070B
Note: Horizontal venting shall be supported, by means of a steel strap, every 3 .
The maximum vertical system consists of:
Up to 34' (10363mm) of vertical length
Fire stop
Flashing
Collar
Adapter from flex to Simpson Dura-Vent part #P574
Termination cap part # 0991
A maximum of 4 90 degree bends can be used on the vertical installation with the flex vent. The
maximum height for this vent configuration is 34 (10363 mm) and the minimum height is 4 (1200
mm), the maximum horizontal run is a total of 20 (6096mm).
When fastening the flex vent to the termination and to the unit use a minimum of 3 # 8 x ½ hex head
sheet metal screws on the 4 vent and a minimum of 4 - # 8 x ½ hex head sheet metal screws on the
7 vent.
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