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TDVDSN Series Direct Vent Gas Fireplace
20007890
1
2
3
4
Max. 8' (2.4m)
FP1245
through the roof
90 & 45 degree
12/02
1 + 2 + 3 + 4 = 270°
FP1245
Fig. 27 Typical offset 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. 26)
Vertical Through-the-Roof Applications
Max. 10' (3m)
Max. Height
40' (12m)
Min. Height
7¹⁄₂' (2.3m)
FP1244
through the roof
max/min dims
12/02
Pipe Straps Every
3’ (914mm)
FP1244
Fig. 26 Support straps for horizontal runs.
• Up to two 45° elbows may be used within the
horizontal run. For each 45° elbow used on the
horizontal level the maximum horizontal length must
be reduced by 18” (457 mm).
Example: Maximum horizontal length
0 x 45° 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’ (2.4 m) vertical rise.
• Two sets of 45° elbows offsets within these vertical
installations. From 0 to a maximum of 8’ (2.4 m) of
vent pipe can be used between elbows. (Fig. 27)
• 7DVCS must be used to support offsets. (Fig. 33)
This application will require that you first determine
the roof pitch and use the appropriate starter kit.
(Refer to Venting Components List)
• The minimum height of the vent above the highest
point of penetration through the roof is 2’ (610 mm).
(Fig. 28)
Roof Pitch H (Min.)
Flat to 6/12 12” (305 mm)
6/12 to 7/12 15” (381 mm)
Over 7/12 to 8/12 18” (457 mm)
Over 8/12 to 16/12 24” (610 mm)
Over 16/12 to 21/12 36” (914 mm)
H
12
x
T183
typical straight up
installation
12/3/03 djt
Vent Cap
Lowest Discharge
Opening
Gas Vent
Roof Pitch
is X/12
H (Min.) - Minimum height
from roof to lowest dis-
charge opening
T183
Fig. 28 Vertical termination location.