NAIL
FLASHING
PLATE
CHIMNEY
THIMBLE
EXTENSION
SCREW
FLASHING
THIMBLE
ADJUSTABLE
EXTENSION
HOLES
Figure 6.14 Installing Part 12966A Configuration 3
I. Install Chase/Chase Top
• You MUST use a chase top in a chase installation.
Chase tops are available from your Quadra-Fire
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.
Slope Downward
(1/4 in. per foot
minimum)
Turn-down
Drip Edge
Chase
2 in. (51 mm) Collar
on Chase Top
.018 (26 ga) min.
Galvanized
Chase Top
Figure 6.15 Chase Top Construction
FLASHING
CHIMNEY
FLASHING
PLATE
NAIL
THIMBLE
SCREW
THIMBLE
EXTENSION
Figure 6.13 Installing Part 12966A, Configuration 2
34
Quadra-Fire • PIONEER - III • 4182-901 Installation Manual • Rev C • 07/19