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10009383 19
XDV Direct Vent Gas Fireplace
STEP 7
Apply high temperature sealant to 4” (102 mm) and 7”
(178 mm) collars or the termination one inch away from
the end. Guide the vent termination’s 4” and 7”
collars
into their respective vent pipes. Double check that the
vent pipes overlap the collars by 2” (51 mm). Secure the
termination to the wall with screws provided and caulk
around the wall plate to weatherproof. As an alterna-
tive to screwing the termination directly to the wall, you
may also use expanding plugs or an approved exterior
construction adhesive. You may also attach the termina-
tion with screws through the inner body into the 4” vent
pipe, however for this method, you must extend the 4”
pipe approximately 6” (152 mm) beyond the outer face of
the wall.
Support horizontal pipes every 36”
(914 mm) with metal pipe straps.
Vertical Sidewall Installation
Flex Vent Pipe
NOTE: The 40” (1016 mm) flex vent is used for 90° off
the top of the unit then out the back wall.
Follow Steps 1 and 2 on Page 18.
STEP 3
Install the four (4) spacer springs on the 4” flex vent
pipe. When installing the spacer springs around the 4”
pipe, stretch the spring to approximately 15” (381 mm),
wrap the spring around the pipe and interlock the ends
of the spacer spring approximately 2” (51 mm). Mea-
sure 6³⁄₄” (172 mm) from the end of the pipe. Place the
next spring 5” (127 mm) from the previously installed
X
X
FP1182
Fig. 34 Horizontal length requirement.
12"
(305mm)
6"
(152mm)
5"
(127mm)
6"
(172mm)
FP1474
spacer springs
4/04 djt
4” Flex Vent Pipe
Spacer Spring
FP1474
Fig. 35 Install spacer springs.
STEP 4
Install the 4” (102 mm) flex vent pipe to the appliance
collar as described on Page 13. Secure the end with the
first spring 6³⁄₄” (172 mm) from the flex pipe end to the
unit.
STEP 5
Slide the 7” (178 mm) flex vent pipe over the 4” flex
vent pipe and secure 7” collar as described on Page 14.
STEP 6
Bend the flex pipe horizontal so the bottom of the hori-
zontal pipe measures 6¹⁄₂” (165 mm) from the top of the
unit immediately after the 90° formation. (Fig. 37) Be
sure to follow the 1/2” (13 mm) rise in a 12” (305 mm)
horizontal run rule.
STEP 7
Install the 4” flex then 7” flex to the termination.
6" (165mm)
FP1475
flex 90 bend
4/04 djt
FP1475
Fig. 36 Bend flex vent at 90° so horizontal portion is 6¹⁄₂”
(165 mm) off top of unit.
spring. Place the next spring 6” (152 mm) from the last
spring. Finally, place the last spring 12” (305 mm) from
the last spring installed. (Fig. 35)