Flue Pipe Adaptor
Wall Framing
Wall Thimble
Fire Stop
Exhaust 4" Flex Pipe
Combusion Air 6 5/8" Flex Pipe
Wire Spacers
Horizontal Vent Termination
9. Install the flex pipe assembly through the wall thimble, ensure that this portion of pipe slides through
the outside wall far enough to connect onto the vent termination cap.
10. Apply a bead of Mill-Pac Black sealant to the top section of the Ø4” (10 cm) by 5” (12.5 cm) flue collar
adaptor previously installed into the fireplace flue outlet. Slide the Ø4” (10 cm) flex vent over the flue
collar and secure with three (3) sheet metal screws evenly spaced.
11. Place a bead of high temperature
silicone on the intake collar of the
fireplace, slide the Ø65⁄8” (16.25
cm) flex intake liner over the collar,
secure the flex liner with three (3)
sheet metal screws evenly spaced.
12. On the outside of the exterior wall,
apply a bead of Mill-Pac Black
sealant to the Ø4” (10 cm) pipe of
the vent terminal. Slide the flex
liner onto the vent terminal and
secure with three (3) sheet metal
screws evenly spaced.
13. Place a bead of high temperature
silicone on the intake collar of the
vent terminal, slide the Ø65⁄8” (16.25
cm) flex intake liner over the collar,
secure the flex liner with three (3)
sheet metal screws evenly spaced.
14. Attach the vent terminal to the
outside of the house using four (4)
wood screws provided.
15. Light the appliance and ensure
proper operation.
Figure 28: Installation of Fireplace Horizontal Vent Kit.
Initial Installation
QUALIFIED INSTALLERS ONLY
O
THER
A
PPROVED
V
ENT
P
ARTS
:
Table 5: Approved Vent Manufacturers
Manufacturer
Trade Name
Nominal Sizes
American Metal Products
AmeriVent Direct
4” - 6 5/8”
Security Chimneys International LTD
Secure Vent
4” - 6 5/8”
Selkirk Metalbestos
Direct-Temp
4” - 6 5/8”
Simpson Dura-Vent
Direct Vent GS
4” - 6 5/8”
The Retreat fireplace has been tested and certified for use with SIMPSON DURAVENT TYPE GS PIPE FOR
GAS STOVES. SECURITY CHIMNEY’S “SECURE VENT DIRECT VENT SYSTEM” and SELKIRK “DIRECT-TEMP
VENT SYSTEM” kits are available for horizontal and vertical venting. When using Simpson Duravent, it
is recommended that, before installation, a bead of RTV High Temperature Silicone should be applied to
each outer vent joint, and Mil-Pac to each inner joint. When planning an installation, it will be necessary
to select the proper length of vent pipe for the particular requirements.
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