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B. Install Fireplace & Chimney
Install as per Sections 7 and 8.
C. Install Chase Top
•
You MUST use a chase top in a chase installation. Chase
tops are available from your Heatilator dealer or may be
field constructed.
•
Include a turndown and drip edge to prevent water from
seeping into the chase.
•
Include a 2 in. (51 mm) soldered, welded or spun collar
around pipe opening to keep water out.
• Provide a 1/8 in. (3 mm) gap around the flue pipe.
•
Slope the chase top downward away from the opening.
WARNING! Risk of Fire! DO NOT caulk the pipe to
the chase top collar.
• Caulk all seams to prevent leaks.
• Refer to Figure 9.3.
Figure 9.3
Chase Top Construction
Slope Downward
(1/4 in. per foot
minimum)
Outdoor Lifestyles by Hearth & Home Technologies Inc.• 4072-203 Rev A • 08/18
2 in. (51 mm) Collar
on Chase Top
Turn-down
Drip Edge
Chase
.018 (26 ga) min.
Galvanized
Chase Top
D. Install Termination Cap
Install the chimney sections up through the chase enclo-
sure.
•
Caulk the overlap seam of any exposed pipe sections
that are located above the roof line to prevent leaks.
•
Refer to termination cap instructions.
WARNING! Risk of Fire!
to pipe (as shown in the following illustrations) MUST
be met or chimney may separate from cap. Separation
allows sparks, heat and embers to escape.
NOTICE:
Paint the termination cap with a rust-resistant
paint to protect against the effects of corrosion on those
parts exposed to the weather.
• TR344 Round Termination Cap
Slip
storm collar
around chimney pipe
before termination
cap pipe is snapped
into the chimney
pipe.
Caulk gaps between
storm collar & pipe,
and storm collar
& chase top.
Collar
2 in. (51 mm)
Minimum Height
Chase Top
Termination cap pipe and chimney section must be snapped
together to maintain an overlap of 1-1/2 in. (38 mm).
Figure 9.4
Installing a TR344 Round Termination Cap
The minimum overlap of cap
Termination
Cap
Do NOT
block air holes
6 in. (153 mm)
Storm
Minimum top of
Collar
chase to top of
chimney pipe
Chimney
Pipe
Chase
31
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