Owner`s manual

26591-1-1209 Page 25
1. Unpack vent components and check all items for shipping
damage.
2. For this venting system to operate as designed it is depen-
dent on the use of all parts and procedures detailed in these
instructions. Failure to follow these instructions may poten-
tially affect the performance of this vent system and the at-
tached appliance.
 
         

Install the adapter collar with the screws removed from the
-
ditional information on the vent collar removal and installa-
tion.
         

   -
ing must measure a minimum of 9-1/2” x 9-1/2” square. See
Figure 29.
5. Next, determine the location for the cutout in the roof open-
ing. This opening must be large enough to provide a mini-
mum 1” air space clearance from the vertical vent pipe to any
combustible framing.
6. Install the Firestop/Thimble assembly to the framed opening
in the ceiling using common nails or screws.
Note: The thimble assembly is adjustable up or down as


 -
         -
sembled.
 

9. Install the spring spacers provided around the 4” diameter
-

-
place collar. See Figure 30.
NAILS
(4) REQ'D.
THIMBLE
FIRESTOP
CEILING FRAMING
9½”Min.
(241mm)
9½” Min.
(241mm)
NOTE: ADDITIONAL
HOLES FOR ADJUSTING
THIMBLE UP OR DOWN
AS NEEDED
FLEX OUTER
AIR INTAKE PIPE
SPACER SPRINGS
FLEX FLUE PIPE
Figure 29
Figure 30
SPACER SPRINGS
4" FLEX
VENT PIPE
12”
305mm
12”
305mm
12”
305mm
12”
305mm
Step-By-Step Installation For Flex DV Kit
DVVK-4FV DIRECT VENT TERMINATION KIT (continued)