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CDVX Series Direct Vent Gas Fireplace
20012253
1
2
3
4
Max. 8' (2.4m)
FP1245
through the roof
90 & 45 degree
12/02
1 + 2 + 3 + 4 = 270°
FP1245
Fig. 56 Typical offset application.
CFM100
Firestop-Vertical
09/20/00
11"
11"
Attic Insulation
Shield
Joist
Ceiling In-
stallation
Joist
Upper Floor
Firestop Spacer
Nails (4)
CFM100a
Fig. 57 Place firestop spacer(s) and secure.
8. Install appropriate pipe sections until the venting is
above the flashing. (Fig. 58)
9. Install storm collar and seal around the pipe.
10. Add additional vent lengths for proper height. (Fig.
60)
11. Apply high temperature sealant to 4” and 7” collars.
CFM110
Typical ceiling/roof support
10/90
Typical Roof Support
Application
Typical Ceiling Sup
-
port Application
CFM110
Fig. 58 Roof and ceiling supports.
TWL101a
Twist Lock Pipe
2/8/99 djt
#8 Sheet Metal Screws
(3 per joint)
Sealant
Storm Collar
TWL101a
Fig. 59 Roof flashing.
If there is a room above ceiling level,
firestop spacer must be installed on both
the bottom and the top side of the ceiling
joists. If an attic is above ceiling level a
7DVAIS (Attic Insulation Shield) must be
installed.
The enlarged ends of the vent section
always face downward. (Fig. 59)
Min.
2' (610 mm)
CFM190
TTR Ternim. 2'
1/25/02 sta
CFM190
Fig. 60 Minimum termination to roof clearance.