Example: Maximum horizontal length:
Zero elbows = 10’ (3 m)
1 x 45° elbows = 8¹⁄₂’ (2.6 m)
2 x 45° elbows = 7’ (2.1 m)
• A minimum of an 8 ft. (2.43 m) vertical rise.
• Two (2) sets of 45° elbow offsets may be used within the vertical sections. From zero to max 8 ft. (2.43 m) vent pipe can be used between elbows. (Fig. 30)
• 7DVCS supports offsets. (Fig. 33) This application will require you first determine the roof pitch and use the appropriate starter kit. See Venting Components List, Page 22.
• The maximum angular variation allowed in the sys- tem is 270˚. (Fig. 31)
• The minimum height of the vent above the highest point of penetration through the roof is 2’ (610mm). (Fig. 32)
20
Up to two 45° elbows may be used within the hori- zontal run. For each 45° elbow used on the hori- zontal level the maximum horizontal length must be reduced by 18” (457 mm).
•
Fig. 30
Support Straps
Every 36” (914mm)
Max. 10’ (3m)
Max. Height 40’ (12.2m) Min. Height 8’ (2.4m)
Support straps for horizontal runs.
Max. 10’ (3m)
Max. Height 40’
(12.2m)
Min. Height 8’
(2.4m)
360 DVS Series Direct Vent Fireplaces
Vertical Through-the-Roof Application
This Gas Fireplace has been approved for:
• Vertical installations up to 40’ (12 m) in height. Up to a 10’ (3 m) horizontal vent run can be installed within the vent system using a maximum of two 90° elbows. (Fig. 30)
1 + 2 + 3 + 4 = 270°
1
2
3
4
1
2
3
4
FP1444
FP1443
Fig. 31 Maximum elbow usage.
Min.
2' (610 mm)
FP1185
Fig. 32 Maximum termination to roof clearance.
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