424WBST Designer Woodburning Fireplaces
Chase Installation
Insulation methods shown are optional for cold climate, not a requirement for unit operation.
Batt Insulation (cut out around firestop)
Firestop
Ceiling Level
Outer Dome
Refer to Figures 21 and 26 for clearance information.
Ledge Brackets
Nailing Flange
Gas Access (both sides)
Outside Air Cover Plate
Termination Cap
Storm Collar 
Pan Flashing
Draftstop
Finish Wall
Surround
Screen
Grate
Firebox
Outside Air
Control
FP704
Fig. 4 Fireplace and chase parts identification.
87D1506