Heatilator • CI80 • 4013-032 Rev N • 10/06
25
Termination Cap
Storm Collar
Slope Downward
Turn-down
Drip Edge
Chase
(Chimney)
2 in. (51 mm) Collar
on Chase Top
Caulk
.018 (26 ga) min.
Galvanized
Chase Top
Figure 6.4
Chase Top Construction
Install the Chimney Air Kit (required in Canada)
When installing the chimney air kit, follow the instructions
provided with this accessory.
2 in. (51 mm) min. collar
6 in. (152mm) min.
2 in. (51 mm) min.
Storm Collar
Flashing Collar
Minimum 1-1/2 in. (38 mm) overlap of cap over pipe
Figure 6.5
Installing a TR11 Round Termination Cap
Storm Collar
Flashing Collar
Top of Pipe
14-1/2 in. (368mm) max.
1-1/2 in. (38 mm) min.
overlap
2 in. (51 mm) min.
Figure 6.6
Installing a TR442 Round Telescoping Termination Cap
Note:
To protect against the effect of corrosion on those
parts exposed to the weather, the termination cap can be
painted with a rust-resistant paint.
Fire Risk
• The minimum overlap of cap to pipe
MUST be met or chimney may separate
from cap.
Separation allows sparks, heat and embers
to escape.
WARNING
C. Install the Termination Cap
•
For installations utilizing a TR442 Round Telescoping
Termination Cap, the uppermost chimney section must be
below the top of the chase top, but not more than 14-1/2 in.
(368 mm) below the top of the chase top. Minimum overlap
of chimney and termination cap must be 1-1/2 in. (38 mm).
See Figure 6.6.
•
Install the chimney sections up through the chase
enclosure. When using a TR444 Round Termination
Cap, the uppermost top section of pipe must extend 6 in.
(152 mm) above the top of the
À
ashing collar to allow
installation of the storm collar and termination cap. See
Figure 6.5.
B. Chase Top
A metal chase top is required to seal the top of the chase
around the chimney pipe. The top should include a turn-
down and drip edge to prevent water from seeping into the
chase. Provide a 1/8 in. (3 mm) gap around the
À
ue pipe
and slope the top downward away from the penetration. See
Figure 6.4.
• All seams must be caulked to prevent leaks.
• A chase installation must use a chase top. Chase tops
are available from your Heatilator dealer or may be
¿
eld
constructed.
• Attach the chase top to the top of the chase.