Pyromaster© H33BDVRRN/P
|
| Top View |
|
| Straight Venting |
| 20" (508mm) |
|
| Max. |
|
| 20" | 20" |
| (508mm) | (508mm) |
| Max. | Max. |
45¡ |
| 45¡ |
Top View Cross Corner Vent | Top View Cross Corner Vent | |
| to the Left | to the Right |
Fig. 12 | Rear vent applications. |
|
Rear Wall Installations
STEP 1
Locate vent opening on the wall. To locate hole center consult with appropriate fireplace dimensions, Page 4. Frame as shown below.
| Vent Opening for Combustible Wall |
| 9³⁄₈” |
| (240mm) |
10³⁄₈” |
|
(254mm) | |
| Framing Detail |
| Vent Opening for Noncombustible Wall |
| 7¹⁄₂” |
| (190mm) |
| |
Fig. 13 | Straight out through the wall application. |
10004798 |
Combustible Walls: Cut a 10³⁄₈”H (264 mm) x 9³⁄₈” W (240 mm) hole through the exterior wall and frame as shown. (Fig.13)
Noncombustible Walls: Hole opening must be 7¹⁄₂” (190 mm) in diameter. (Fig. 13)
STEP 2
Measure wall thickness and cut zero clearance sleeve parts to proper length (MAXIMUM 12”/305 mm). Assemble sleeve and attach to firestop with #8 sheet metal screws (supplied).
Adjustable Zero | Max. Length |
Clearance Sleeve | 12” (294mm) |
| |
| #8 Screws |
| (2) |
| Adjustable |
| Zero |
| Clearance |
#8 Screws | Sleeve |
| |
(2) | H8 |
| Screws |
| Firestop |
| ZCS101 |
Fig. 14 Adjustable zero clearance sleeve. |
STEP 3
Measure from the fireplace collar or elbow face to face of outside wall (add 2” for vent pipe overlap). Mark pipes and cut to length. It is very important that the two pipes are flush with the outside wall once the fireplace is in its final location.
Zero
Clearance
Sleeve
Firestop
CFM133
Fig. 15 Zero clearance sleeve and firestop installation.
STEP 4
Slip 4” and 7” pipes onto respective flue collars. Make sure to fix to the fireplace collar the 4” pipe with three
(3)screws before fixing the 7” pipe on the 7” collar. Both pipes must be on a level plane. (Fig 16)
11