Vented Cavity–Single Opening
SECTION 3
FRAMING
#BHM-38 & #BHM-38-BW
R.1 September 2021
28
HUSSONG MFG. CO., INC.
KOZY HEAT FIREPLACES
3.8.2.1 Single Opening Vented Cavity Option
Alternative Installations (cont).
•
FIGURE 3.20
shows the installation of crown molding or similar
trim work that goes up to the edge of the lowered air discharge
opening. 12” (305mm) is the maximum length of the molding or
trim projection and you must maintain 3” (76mm) clearance for
the full length of crown molding/trim projection. This molding or
trim cannot decrease the minimum opening requirement.
12” (305mm)
MAX
88”
(2235mm)
MIN
3” (76mm)
MIN
3” (76mm)
MIN
*must maintain 3” (76mm) clearance for
full length of crown molding/trim projection
Ceiling
Air discharge opening
(3” x 38”) minimum
FRONT VIEW
SIDE VIEW
FIGURE 3.20
Lowered Air Discharge Opening with Crown Molding
SINGLE OPENING VENTED CAVITY INSTALLATION