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Unit Dimensions Description B36X
A Width (at front including standoffs) 37-1/2”
B Width (at back of unit) 33”
C Height Front Face 35-1/4”
D Height (including standoffs) 39-1/16”
E Glass Viewing Area (Height) 21”
F Glass Viewing Area (Width) 30-3/8”
G
Height from Base of Unit
to Bottom Louver Opening
1”
H Width Front Face 36”
I Unit Depth (excluding standoffs) 17-5/16”
J (Rear Vent) Unit Depth (including rear fl ue) 20-1/4”
J (Top Vent) Unit Depth (including standoffs) 19-5/16”
K (Top Vent) Height to Top Vent 35-1/4”
L (Rear Vent) Height to Rear Vent Centerline 26-1/2”
Unit Dimensions:
Model B36X-NG B36X-LP
Fuel Type Natural Gas Propane
Minimum Supply Pressure
5” W.C.
(1.25 kPa)
11” W.C.
(2.74 kPa)
Manifold Pressure - High
3.5” W.C.
(0.87 kPa)
10” W.C.
(2.49 kPa)
Manifold Pressure - Low
1.6” W.C.
(0.40 kPa)
6.3” W.C.
(1.56 kPa)
Orifi ce Size #45 DMS #55 DMS
Minimum Input 12,500 BTU/h (3.66 kW) 14,500 BTU/h (4.25 kW)
Maximum Input 18,500 BTU/h (5.42 kW) 17,500 BTU/h (5.13 kW)
Vent Sizing (Rear Vent) 5” Inner / 8” Outer 5” Inner / 8” Outer
Vent Sizing (Top Vent)* 5” Inner / 8” Outer 5” Inner / 8” Outer
*Optional Reducer Available.
See Price Pages & Manual for more details
B36X Gas Fireplace
Approved Venting Systems
Flex Vent Systems: FPI AstroCap™ Flex Vent
Rigid Pipe Vent Systems: Simpson Direct Vent Pro®
Selkirk Direct-Temp™
Metal-Fab® Sure Seal
Regency Bellavista B36X Gas Fireplace
Framing
Dimensions
Description B36X
M Framing Width 36-1/4”
N** Framing Height 39-3/8”
O (Top Vent) Framing Depth - Top Vent 19-1/2”
O (Rear Vent) Framing Depth - Rear Vent 20-3/4”
P (Top Vent) Corner Wall Depth 48-5/8”
P (Rear Vent) Corner Wall Depth
53” (Astrocap XL)
61-1/2” (all other approved caps)
Q (Top Vent) Corner Facing Wall Width 68-3/4”
Q (Rear Vent) Corner Facing Wall Width
75” (Astrocap XL)
87” (all other approved caps)
R (Rear Vent)
Framed Chase Ceiling -
Rear
39-3/8”
R (Top Vent) Framed Chase Ceiling - Top 50-1/2”
S (Rear Vent)
Vent Centerline Height -
Rear
26-1/2”
S (Top Vent) Vent Centerline Height - Top 44-1/4”/Rigid 42-1/8” Flex
T Gas Connection Height 1-1/2”
U Gas Connection Inset 4-1/8”
V Gas Connection Width 3-1/4”
Framing Dimensions:
Non-Combustible Requirements:
The Bellavista B36X does not require Non-Combustible Facing.
**
Important: Framing height requires consideration of the hearth
depth. Dimension N = N + the thickness of installed hearth.
This manual is intended to be a Sales Reference Guide only.
Do NOT use for actual framing and installation of any unit.
Some specifi cations may change without notice.
You must use the actual manual for exact installation specifi cations.