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18"
(457mm)
18"
(457mm)
Trim flashing
as required.
Figure 41: Vertical Vent Cap Dimensions.
Initial Installation
QUALIFIED INSTALLERS ONLY
D
IRECT VENT VERTICAL VENT TERMINATION:
For use with Sonnet Direct Vent Fireplace Insert. The Vertical Vent Cap is termination, rain cap,
and a throat connector, it will ensure a tight seal, top performance, safety and efciency.
KIT COMPONENTS:
Quantity Description Quantity Description
1 Vertical Direct Vent Termination Cap 1 4 oz Tube RTV Silicone
6
9
/16” Tex Screws 1 4 oz Tube Mill-Pac Sealant
Please ensure that all components are supplied with this kit. If components are missing or have
been damaged, contact your dealer, distributor, or courier company. Do not attempt the installation if
components are missing or damaged.
INSTALLATION INSTRUCTIONS:
1. Plan your installation and clearances to combustibles. The Sonnet may be installed and vented into
any solid fuel replace that has been installed in accordance with the National, Provincial/State and
local building codes and has been constructed of non-combustible materials. Also refer to the I
NITIAL
I
NSTALLATION - PREPARING YOUR SONNET FOR INSTALLATION and CLEARANCES TO COMBUSTIBLES sections.
Refer to Figure 43 throughout installation.
2. Stretch both the Ø3” (76mm) ex vent and the Ø2” (51mm) ex intake liner to the length needed to
ensure the ex can be easily connected to the vent terminal.
3. Install the ex pipe assembly up through the chimney, ensure that the pipe slides through far enough
to connect onto the Vertical Vent Cap.
Note: For any chimney over 15’ (4.6m), install the Sonnet 15’ 2” & 3” Flex Vent (part #50-1512)
and the Sonnet 2” & 3” Flex Couplers (part #50-1513). Place a bead of sealant on the coupler (Mill-
Pac Black sealant for the Ø3” (76mm) and high temperature silicone for the Ø2” (51mm)) Slide the
meeting ends of the ex over the coupler and fasten each joint in place with three (3) sheet metal
screws through the ex and into the coupler.
4. The Vertical Vent Cap can be installed onto chimneys with ue openings up to 16” (406mm) x 16”
(406mm) and the actual ashing is 18”x18” (refer to Figure 41). If the chimney is smaller the cap
should be trimmed down and folded
over.
5. Apply a bead of Mill-Pac Black sealant to
the top section of the Ø3” (76mm) vent
collar plate. Slide the Ø3” (76mm) ex
vent over the ue collar and secure with
three (3) sheet metal screws evenly
spaced.
Note: If the replace opening is lower
than 19” (483mm), remove the vent
collar plate from the top of the insert
and connect it securely to the liner as
stated in Step 4. Check for tears in the
liner at this point.