Masonry Magazine January 1984 Page. 22
BAFFLE CHAMBER
12 in. (300 mm) MINIMUM
NOMINAL 1-in. (25-mm) AIR SPACE
FLOW OF GASES
FIRECLAY FLUE LINER
NOMINAL 1-in. (25-mm) AIR SPACE
SOLID MASONRY FILL
ROTATING DAMPER
REFRACTORY CONCRETE SLAB
-DAMPER CONTROL
FIRE BRICK (SMOKE CHAMBER ASSEMBLY)
16-in. (400-mm) CHAMBER LENGTH, MIN.
FIRECLAY FLUE LINER
NON-COMBUSTIBLE COMPRESSIBLE MATERIAL
STEEL ANGLE LINTEL
FIRE BRICK
NOMINAL 1-in. (25-mm) AIR SPACE
CONCRETE SLAB (FIREBOX ASSEMBLY)
CLEAN-OUT DOOR
FIRECLAY FLUE LINER
ASH PIT AND CLEAN-OUT DOOR OPENING
EXTENDED HEARTH
MINIMUMS: FRONT-20 in. (500 mm) SIDES AND BACK-16 in. (400 mm)
REINFORCED CONCRETE SLAB
CLEAN-OUT DOOR OPENING (BASE ASSEMBLY)
Fig. 1
Fountain-Style Brick Masonry Heater, Isometric
2