37754-6-1019
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DVVk-5F FLEX VENT INSTRUCTIONS
The
DVVk-5F FLEX VENT kIT
includes the following
components:
• (1) Horizontal Termination Cap
• (1) 4-foot section of Flex vent with spacers (5-inch flue/
8-inch outer pipe) with flue adapter collar
•
(1) Wall Firestop/Thimble Assembly
•
Hardware pack that includes band clamps and screws
Maintain at least ½-inch rise for every 12 inches of vent run.
CAUTION
•
Because of sharp edges, always use gloves when
handling the flex vent components.
• Always follow the general venting requirements for
vent terminal location, vent lengths, and clearance to
combustible materials.
•
Always stretch and secure venting with wire or metal
strapping to ensure that the horizontal runs do not sag.
•
Vent connections should overlap a minimum of 1 inch
for proper sealing.
INSTALLATION
1. Unpack vent components and check that all items are included.
2. Ensure that the vent spacer springs are located at 8 inch
intervals along its length.
See Figures 54 and 55.
If not,
stretch the spacer springs to about 15 inches long and wrap
them around the flue, then interlock the ends of each spring.
Maintain equal distance between spring spacers.
Figure 54
5” FLEX
VENT PIPE
SPACER
SPRING
8” FLEX
VENT PIPE
Figure 55
3.
Attach a 6-inch piece of hard pipe to raise the
connection point above the fireplace.
4. Use existing 8-inch diameter inlet collar to attach outer vent pipe.
5. Install the Wall Firestop/Thimble assembly as required
through the wall. Refer to the venting charts on page___ to
determine the proper height and size of the vent opening.
The minimum opening should be 10 inches wide by 12
inches high. The minimum combustible clearance from the
horizontal vent is 1 inch from sides and bottom, and 3 inches
above the vent pipe.
6. After determining the length of the vent needed, install the flue
and outer vent pipes to the Termination Cap first. Then from the
outside, feed the venting through the wall to the fireplace.
7. If the venting is too long, trim off any excess vent before
attaching the vent end connectors.
8. Attach the Termination Cap to the outside of the house.
CAUTION
Do not force the Vent Termination into the flex venting.
Fully extend the venting. Then cut off excess vent material
prior to connecting the vent termination. Forcing the
termination cap into the flex venting will deform the flue
venting, which will restrict the exhaust gases, and cause
improper fireplace operation.
