Installation manual
Regency Bellavista™ B36XT Gas Fireplace
13
INSTALLATION
FRAMING
M
N
O
Q
P
R
U
V
T
Opening for gas
connection
11" (279mm)
dia. Hole through
wall Vent.
Non-Combustible
Header
(steel stud) on edge
Drywall
(or other
facing)
W
Non-Combustible Facing
S
S
Non-Combustible
Header
(steel stud)
on edge
Framing Dimensions Description B36XT
M Framing Width 40-5/8"(1032mm)
N Framing Height 42" (1067mm)
O (Rear Vent) Framing Depth - Rear Vent 20-3/4" (527mm)
O (Top Vent) Framing Depth - Top Vent 20-1/2" (521)
P (Top Vent) Corner Facing Wall Width 48 - 5/8" (1235mm)
P (Rear Vent) Corner Facing Wall Width 53" (1346mm) AstroCapXL
61-1/2" (1562mm) - other approved caps
Q (Top Vent) Corner Facing Wall Width 68-3/4" (1746mm)
Q (Rear Vent) Corner Facing Wall Width 75" (1905mm) AstroCapXL
87" (2209mm) - other approved caps
R (Rear Vent) Framed Chase Ceiling - Rear 41-12" (1054mm)
R (Top Vent) Framed Chase Ceiling - Top 50-1/2" (1283mm)
S (Rear Vent) Vent Centerline Height - Rear 26-1/2" (673mm)
S (Top Vent) (5" x 8") Vent Centerline Height - Top 42-1/8" (1070mm) Flex 44-1/4" (1123mm) Rigid
S (Top Vent) (4" x 6-5/8") Vent Centerline Height - Top - 49" (1245mm) Rigid
T Gas Connection Height 1-1/2" (38mm)
U Gas Connection Inset 4-1/8" (105mm)
V Gas Connection Width 3-1/4" (82mm)
W Non-combustible Height 7" (178mm)
** Important: Framing height requires consideration of the hearth depth. Dimension N = N + the thickness of the installed hearth.










