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19Quadra-Fire • Sapphire • 7055-116 Rev. D • 6/11
Termination Cap
Existing
Metal Chimney
System
Top Adaptor
Flashing
4 in. (102mm)
Flex Pipe
Retro Connector
Direct Vent Pipe
3. Class A Metal Chimney
Figure 5.21
High Wind Termination
Cap
Sheet Metal Screws
Drill Four 1/8 in.
(3mm) Diamater
Holes
Figure 5.23
Figure 5.24
Step 4.
Pass the flex pipe down through the center of the chimney
system, and center the top adapter on the top of the chimney
pipe. Drill four 1/8 in. (3mm) diameter holes through the
top adapter, and into the chimney top. Ensure that you are
drilling into the metal on the chimney. Twist lock the high
wind termination cap onto the top adapter, Figures 5.23
and 5.24.
Step 5.
Pull the flex pipe down through the ceiling support box, until
it protrudes approximately 3 in. (76mm). Connect the flex
pipe to the retro connector, and attach with sheet metal
screws.
Step 6.
Push the flex pipe back up into the ceiling support box,
center the retro connector, and attach it to the support box
with sheet metal screws.
Step 7.
The connection between the appliance and the retro
connector may be completed with sections of direct vent
pipe.
Top Adapter
Sheet Metal Screws
Flex Pipe
Figure 5.22
Step 1.
Remove existing chimney cap.
Step 2.
Measure the distance from the top of the chimney to the
bottom of the ceiling support box, add 3 in. (76mm) to this
measurement, and cut a section of 4 in. (101mm) flex pipe
to that length (the flex should be fully extended).
Step 3.
Connect the end of the flex pipe section to the underside of
the top adapter, using four sheet metal screws Figure 5.22.
CAUTION
Ensure that existing chimney is functionally sound and clean.
• Have inspection done by qualified chimney sweep or
professional installer BEFORE converting to direct vent
appliance.