CSDV Series Direct Vent Gas Stove | Venting installation |
Cut Hole 1/8" Larger than Support Box when Projected 
onto Roofline
Cathedral Ceiling Support Box
2" Minimum
Below Finished
Ceiling
ST1142
VERTICAL TERMINATION CONFIGURA- TIONS
Figures 29 through 31 show four different configurations for vertical termination.
IMPORTANT: Install restrictor as indicated on chart (Figure
13)on Page 14.
Figure 27 -
Cathedral Ceiling Support Box Installation
3. Lower the support box through the hole in the roof until |
the bottom of the box extends at least 2" ( mm) below |
the ceiling. Figure 27. Align the support box vertically |
and horizontally using a level. Temporarily tack the sup- |
port box in place through the inside walls and into the |
roof sheeting. |
4. Using tin snips, cut the support box from the top corners |
down to the roofline and fold the resulting flaps over the |
roof sheeting. Figure 28. Apply a bead of |
mastic around the top edges of the support box to make |
a seal between the box and the roof. Nail in place with |
roofing nails. Remove any combustible material that |
H1
NOTE: Install restrictor into 4" collar of stove or first vent section as shown.
H
might be inside the support box. |
5. Complete the cathedral ceiling installation by following |
the same procedures outlines in Steps 2 through 6 for |
Flat Ceiling Installation, Page 19 and above. |
ST1143
V
ST1145
Figure 28 -
Installed Cathedral Ceiling
Support Box
Apply
Table 5 - Venting with Three (3) 90° Elbows
Maximum |
| Vertical |
|
Horizontal | Minimum | Minimum | Minimum |
(H + H1) | CSDV20 (V) | CSDV30 (V) | CSDV40 (V) |
24" | 41Z\x" | 52Z\x" | 54Z\x" |
(610 mm) | (1054 mm) | (1334 mm) | (1384 mm) |
20' | 95Z\v" | 98C\v" | 102Z\v" |
(6 m) | (2419 mm) | (2508 mm) | (2597 mm) |
|
|
|
|
Figure 29 -
Vertical Rigid Venting Configuration using Three
(3) 90° Elbows with Two (2) Horizontal Runs
20 | 58D6056 |
