Filter
Top Products
18
TDVDSN Series Direct Vent Gas Fireplace
20007890
When installing the 33TDVDSN with a Vertical Through-
the-Roof configured flue system the restrictor plate,
(#10002495) supplied with the appliance MUST BE
FITTED TO THE APPLIANCE at installation.
Install restrictor plate to firebox top using two (2)
screws.
Vertical Restrictor Plate
(33TDVDSN only)
The legs of
the restrictor
plate must
go up.
Fig. 31 Place restrictor with legs pointing up.
T265
33TDV
restrictor Plate
10/04
T265
Vertical Through-the-Roof Installation
1. Locate your fireplace.
2. Plumb to center of the (4” (102 mm) flue collar from
ceiling above and mark position.
3. Cut opening equal to 9³⁄₈” x 9³⁄₈” (240 x 240 mm).
4. Proceed to plumb for additional openings through
the roof. In all cases, the opening must provide a
minimum of 1” (25 mm) clearance to the vent pipe,
i.e., the hole must be at least 9³⁄₈” x 9³⁄₈” (240 x
240mm).
5. Place fireplace into position.
6. Place firestop(s) #7DVFS or Attic Insulation Shield
#7DVAIS into position and secure. (Fig. 32)
7. Install roof support (Fig. 33) and roof flashing making
sure upper flange of flashing is below the shingles.
(Fig. 34)
8. Install appropriate pipe sections until the venting is
above the flashing. (Fig. 34)
9. Install storm collar and seal around the pipe.
10. Add additional vent lengths for proper height. (Fig.
35)
11. Apply high temperature sealant to 4” and 7” collars.
CFM100a
Firestop-Vertical
11"
(279mm)
11"
(279mm)
Attic Insulation
Shield
Joist
Ceiling In-
stallation
Joist
Upper Floor
Firestop Spacer
Nails (4)
CFM100a
Fig. 32 Place firestop spacer(s) and secure.
TWL101a
Twist Lock Pipe
2/8/99 djt
#8 Sheet Metal Screws
(3 per joint)
Sealant
Storm Collar
TWL101a
Fig. 34 Roof flashing.
NOTE: If the vertical rise is greater than 16’, then RP
Kit 255, Fresh Air Baffle, must be installed on the unit.
(Not Supplied)
CFM110
Typical ceiling/roof support
10/90
Typical Roof Support
Application
Typical Ceiling Sup-
port Application
Fig. 33 Roof and ceiling supports.
CFM110