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B36XT  Gas Fireplace

Regency Bellavista B36XT Gas Fireplace

Unit Dimensions

Description

B36XT

A

Width (at front including standoffs)

40 - 5/16”

B

Width (at back of unit)

33”

C

Height Front Face 

35-1/4”

D

Height (including standoffs)

41 - 5/16”

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)

20-5/16”

K (Top Vent)

Height to Top Vent

35-1/4”

L (Rear Vent)

Height to Rear Vent Centerline

26-1/2”

Model

B36XT-NG

B36XT-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)

6.4” W.C. 

(1.60 kPa)

Orifi ce Size

#35 DMS

#51 DMS

Minimum Input 

21,500 BTU/h (6.3 kW) 

25,000 BTU/h (7.33 kW) 

Maximum Input

31,000 BTU/h (9.09 kW) 

31,000 BTU/h (9.09 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

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

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.

Framing 
Dimensions

Description

B36XT

M

Framing Width

40-5/8”

N**

Framing Height

41-1/2”

O (Top Vent)

Framing Depth - Top Vent

20-1/2”

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

41-1/2”

R (Top Vent)

Framed Chase Ceiling - Top

50-1/2”

S (Rear Vent)

Vent Centerline Height - 
Rear

26-1/2”

S (Top Vent) 5” x 8”

Vent Centerline Height - Top

44-1/4”/Rigid 

|

 42-1/8” Flex

S (Top Vent) 4” x 6-5/8”

49” Rigid

T

Gas Connection Height

1-1/2”

U

Gas Connection Inset

4-1/8”

V

Gas Connection Width

3-1/4”

Framing Dimensions:

**

Important:  Framing height requires consideration of the hearth 

depth.    Dimension N = N + the thickness of installed hearth.

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)

Drywall

(or other

facing)

W

Non-Combustible Facing

S

S

Non-Combustible

Header

(steel stud)

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