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DVB4136 Direct Vent Gas Fireplace
20012322
FP836
Rear Vent-Top View
11/21/98
Rear Vent Top View, Corner Installation
FP836
Fig. 20 Rear vent application, one 45° elbow.
Rear Wall Vent Installation
Twist Lock Pipe
Step 1
Locate and cut the vent opening in the wall.
For combustible walls first frame in opening. (Fig. 21)
NOTE: When using flex vent, the opening will have to
be measured according to the 1” (25mm) rise in 24”
(610mm) vertical run.
Combustible Walls:
Cut a 10³⁄₈”H x 9³⁄₈” W (265 mm
x 240 mm) hole through the exterior wall and frame as
shown. (Fig. 21)
Noncombustible Walls: Hole opening should be 7¹⁄₂”
(191mm) diameter.
Zero clearance sleeve is only required for
combustible walls.
Step 2
Measure wall thickness and cut zero clearance sleeve
parts to proper length (Maximum 12” / 305 mm). As-
semble sleeve to its maximum opening (10³⁄₈” x 9³₈”)
and attach to firestop assembly. (Fig. 22)
Step 3
Measure the horizontal length requirement for the vent-
ing including a 2” (51 mm) overlap, i.e. from the elbow
to the outside wall face plus 2” (51 mm). (Fig. 19, 20)
VO584-100
Vent Opening
2/99 djt
Vent Opening for Combustible Walls
9³⁄₈”
(240 mm)
10³⁄₈”
(265 mm)
Fireplace Hearth
Framing Detail
Opening for Noncombustible Wall
7¹⁄₂”
(190 mm)
Fireplace Hearth
VO584-100
Fig. 21 Locate vent opening on wall.
ZCS101
Zero Clearance Sleeve
3/11/99 djt
Adjustable Zero
Clearance Sleeve
Max. Length
12” (305 mm)
#8 Screws (2)
Firestop
#8 Screws
(2)
Adjustable Zero
Clearance Sleeve
#8 Screws
(2)
ZCS101
Fig. 22 Adjustable zero clearance sleeve.
Step 4
Install the 4” (102 mm) vent to the appliance collar and
secure with 3 sheet metal screws. Install the 7” (178
mm) vent pipe to the appliance collar and secure with 3
sheet metal screws. It is not necessary to seal this con-
nection. If a 45° elbow is being used attach the elbow
to the appliance in the same manner then attach the
venting to the elbow.
It is critical that there is no downward
slope away from the appliance when con-
necting the vent or elbow.
Step 5
Guide the venting through the vent hole as you place
the appliance in its installed position. Guide the 4”
(102 mm) and 7” (178 mm) collar of the vent termina-
tion into the outer ends of the venting. Do not force
the termination. If the vent pipes do not align with the
termination, remove and realign the venting at the appli-
ance flue collars. (Fig. 23) Attach the termination to the
wall as outlined in the instruction sheet supplied with
the termination.
20”
(508 mm)
Max.
45°
20”
(508 mm)
Max.
45°
DVR584-600
Rear vent no elbows
2/99 djt
20” (508 mm)
Max.
DVR584-600
Fig. 19 Rear vent application, no elbows.
Rear Vent Top View