| Vent Opening for Combustible Wall |
| 9³⁄₈” |
| (240mm) |
9³⁄₈” |
|
(240mm) | |
| Framing Detail |
| Vent Opening for Noncombustible Wall |
| 7¹⁄₂” |
| (190mm) |
| |
Fig. 24 | Locate vent opening on rear wall. |
| Maximum |
| Length |
| 12” (305mm) |
#8 Screws (2)
#8 Screws (2) |
| Firestop |
Zero Clearance |
|
|
Sleeve |
|
|
| Zero Clearance | Side View |
CFM135a | Sleeve |
Fig. 25 Adjustable zero clearance sleeve.
STEP 3
Place fireplace into position. (Fig. 26) Measure the verti- cal height (X) required from the base of the flue collars to the center of the wall opening.
X | X |
FP1439
Fig. 26 Vertical height requirement.
360DVS Series Direct Vent Fireplaces
STEP 4
Apply a bead of silicone to the inner and outer flue collars of the fireplace and using appropriate length of pipe section(s) attach to fireplace with three (3) screws. Follow with the installation of the inner and outer elbow, again secure joints as described in “Connecting Vent Pipes” section.
STEP 5
Measure the horizontal length requirement including a 2” (51 mm) overlap, i.e. from the elbow to the outside wall face plus 2” (51 mm) (or the distance required if installing a second 90° elbow. (Fig. 27)
Always install horizontal venting on a level plane.
| X |
| X |
| FP1441 |
Fig. 27 | Horizontal length requirement. |
STEP 6
Use appropriate length of pipe
Seal vent pipe and firestop gaps with high temperature sealant to restrict cold air being drawn in around the fireplace.
STEP 7
Apply high temperature sealant to 4” (102 mm) and 7” (178 mm) collars, or to the termination 1” (25 mm) away from the crimped end. Guide 4” and 7” collars of vent terminations into respective vent pipes. Double check vent pipes to see that they overlap the collars by
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