Vertical Through-The-Roof Installation - Vermont Castings 33CFDV(N/P)(V/I)SB Installation And Operating Instructions Manual

VENTING INSTALLATION
Max. Height 40' (12.2 m)
Min. Height 8' (2.4 m)
Max.
Height 40' (12.2 m)
Min.
Height 8' (2.4 m)
Figure 45 –
Support Straps for Horizontal Runs
1 + 2 + 3 + 4 = 270°
1
2
3
4
Figure 46 –
Maximum Elbow Usage
20306739
Max. 10' (3 m)
Support Straps
Every 3' (.9 m)
Max. 10' (3 m)
FP1183
1
2
3
4
FP1179
VERTICAL THROUGH-THE-ROOF
INSTALLATION
NOTE: For all top vent vertical through-the-roof instal-
lations, install the supplied fl ue restrictors onto the top
edge of the fi rebox fl ue adapter according to the Verti-
cal Through-the-Roof Installation Flue Restrictor Chart on
Page 24.
1. Locate your fi replace.
2. Plumb to center of the (4") fl ue collar from ceiling
above and mark position.
3. Cut opening equal to 9
4. Proceed to plumb for additional openings through the
roof. In all cases, the opening must provide a minimum
of 1 inch clearance to the vent pipe, i.e., the hole must
be at least 9 3 ⁄ " x 9 3 ⁄ " (248 x 248 mm).
4 4
5. Place fi replace into position.
6. Place fi restop(s) or Attic Insulation Shield into position
and secure. Figure 47
Attic Insulation
Shield
(7DV1AIS)
Upper Floor
Ceiling Installation
Joist
Nails (4)
Figure 47 –
Place Firestop Spacer(s) and Secure
7. Install roof support (Figure 48) and roof fl ashing mak-
ing sure upper fl ange is below the shingles. Figure 50
8. Install appropriate pipe sections until the venting is
above the fl ashing. Figure 48
9. Install storm collar and seal around the pipe.
10. Add additional vent lengths for proper height. Figure
49
11. Apply high temperature sealant to 4" and 7" collars of
vertical vent termination and install.
CFDV Series Gas Fireplace
3 ⁄ " x 9 3 ⁄ " (248 x 248 mm).
4 4
11"
(279 mm)
FP1029
Firestop
Spacer
25