MONTEBELLO™ ST-PV-B

A B  C  D E  in 52-1/8

(mm) (1324)

47-3/8

(1203)

99-1/2

(2527)

26-3/8 6

(670) (152)

Framing Should be constructions of 2 x 4 or larger lumber.

10-1/2

(267) INDOOR /

OUTDOOR 12-1/8

(308)

Inches

(millimeters)

5-1/8

(130)

SEE-THROUGH

DIRECT-VENT FIREPLACE

12-1/8

(308)

Inches

(millimeters)

5-1/8

(130)

10-1/2

(267)

INDOOR /

INDOOR

INTERIOR

Wall Stud

Combustible

Finished Wall

Materials

Header

3" Min.

(76 mm)*

1"

(25.4mm)

Minimum

Adaptor Plus 4

Feet Vertical

Vent (Min.)

& 90° Elbow

B



C  C 

Combustible materials are allowed above this point on the face of the appliance.

Top of

Appliance

B 



~

D

A

1-1/2

(38)

D

A

INDOOR SIDE

NOTE: For indoor/outdoor installations, the control side of the fireplace must be installed on the indoor side.

E







Dimension

Dimension

OUTDOOR SIDE

is from fireplace base to top framing member.

is from fireplace base to centerline of horizontal vent pipe.

Minimum vent framing: Adaptor plus 4 ft vertical vent and one

90-degree elbow. For other venting configurations, see the and Operation Manual .

inches

(millimeters)

Installation

 1/2” board for platform (shown in gray).

 Dimension is a 6” clearance from

25-3/8

(645) fireplace base to outdoor surface (e.g., deck, patio, lanai) that is required as a moisture barrier (not a combustible

8"/11" *

Vent/Intake inches

(millimeters)

25-3/8

(645)

8"/11" *

Vent/Intake

Vent Size

Co-axial DV Collar on Fireplace -

8" Inner / 11" Outer

Adaptor Probe

Reduces Vent Size To -

4-1/2" Inner / 7-1/2" Outer inches

(millimeters) inches

(millimeters)

27-1/2

(699)

3-1/2

(89)

3-1/2

(89)

26-1/4

(667)

13-1/8

(333)

13-1/8

(333)

5-1/2

(140)

5-1/2

(140)

7-3/8

(187)

Top View

7-3/8

(187)

*Adaptor with Probe required to transition from

8"/11" fireplace vent collar to 4-1/2"/7-1/2" venting.

*Adaptor with Probe required to transition from

8"/11" fireplace vent collar to 4-1/2"/7-1/2" venting.

inches

Top View

34-3/4 inches

(millimeters)

12-3/8

12-3/8

(314)

34-3/4

(883)

5-1/8

5-1/8

(130)

46-5/8

(1184)

46-5/8

(1184)

7 (178)

7 (178)

29-5/8

(753)

Spacers

Top of Door Frame

FIREPLACE

(side view)

* Insulation is NOT ALLOWED in the clearance zones around vent components. Keep this area free from combustible materials.

3" Min.

(76 mm)*

EXTERIOR

Adaptor Plus 4

Feet Vertical

Vent (Min.)

& 90° Elbow

1"

(25.4mm)

Minimum

Top of

Appliance

Spacers

Top of Door Frame

Wall Stud

Sheathing,

Combustible

Header

Non-Combustible

Sheathing Required

Below This Point

Non-Combustible

Extend Housewrap

(building paper) to this point

Note: Non-Combustible

Sheathing and building paper should extend to u-channels on sides and bottom.

FIREPLACE

(side view)

19-5/8

(499)

Control Switch

19-5/8

(499)

Control Switch

Wires Knock-Out

J-Box

J-Box

Left Side View

Left Side View

Unit Dimensions

(Shown with Outdoor Kit Installed)

50-1/2

Front View (opposite valve access side)

Front View (opposite valve access side)

Fireplace Dimensions

Fireplace Dimensions

(shown with Outdoor Kit installed)

P/N 901137-00, REV. NC, 01/2021

NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.

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MONTEBELLO™ ST-PV-B

Product Reference Information

Cat.# Model

F4691 MONTEBELLO STTYN-B

Ship.Wt.

383 lb.

Ship. Volume

52.2 cu. ft.

Outdoors

Indoors

Top View

When the unit is installed with one side flush with a wall, the wall on the other side of the unit must not extend beyond the front edge of the unit.

Drywall

Listed by PFS Corporation to to

ANSI Z21.88 (in Canada, CSA-

2.33), and CAN/CGA-2.17-M91

(CSA P4.1) in both USA and

Canada, as a vented gas fireplace.

C

PFS

®

US

Report No. F14-107

Natural Gas

Model

MontebelloSTTYN-B

Input (BTU/HR)

37,000 TO 57,000

Power Vent Venting Chart

Maximum Number Of Elbows

Maximum Feet Of Run

Minimum Horizontal Run

Minimum Vertical Run

Maximum Vertical Rise

-

A + B

B

A

A

6

110 feet

10 feet

Adaptor Plus 4 Feet Vertical

Vent (Min.) and 90° Elbow

66 feet

Minimum Clearances To Combustibles

Vertical Vent Pipe

Horizontal Vent Pipe

1” (26 mm)

Top - 3” (77 mm)

Sides - 1” (26 mm)

Bottom - 1” (26 mm)

B

A

(See Chart)

Probe Adaptor

(Required)

MANTEL CLEARANCES

Inches (mm)

12 (305) MANTEL

10 (254) MANTEL

8 (203) MANTEL

6 (152) MANTEL

17

(432)

15

(381)

13

(330)

11

(279) 9

(229) 7

(178)

4 (102) MANTEL

2 (51) MANTEL

Top of Appliance

TOP OF

APPLIANCE

Firestop/Spacer (SV4.5HF) shown on the exterior side of the wall.

10-1/2"

(267 mm)

12-1/8"

(308 mm)

5-1/8"

(130 mm)

7"

(178)

Clearances from any projections such as shelves, window sills, mantels, etc. above the appliance

Power Vent

Termination

3"

(77 mm)

Adaptor

SV4.5RCH

1"

(26 mm)

6 to 48” Vent Section,

Telescopic vent section,

Elbow or Appliance Collar

Note: Centerline of Vent Piping is

NOT the Same as the Centerline of the Frame Opening.

See Page 1 for Minimum

Distance to Base of Appliance

Base of Appliance

Printed in U.S.A. © 2015 Innovative Hearth Products

P/N 901137-00, REV. NC, 01/2021

Fireplace

Horizontal

Termination

Venting Can Run Up To 3 ft Below Unit

At 14" minimum side wall clearance, a combustible wall can project to any length.

At 8-1/4" side wall clearance, a combustible wall can project 12"

1/2"

(13)

Top View of

Fireplace

45 °

5 (127)

Combustible Materials

Allowed In Shaded Area

“Safe Zone”

Combustible Walls shown in dark gray

12 (305)

17 (432)

Combustible materials may project beyond the sides of the fireplace opening as long as they are kept within the shaded areas illustrated here.

8-1/4

(209)

Protected wall shown in white 14

(356)

Minimum Clearances -

Inches (millimeters)

Back / Sides 0 (0) Spacers/Standoffs

Floor

Bottom of Appliance To Ceiling

Vent

0 (0)

72 (1829)

3 (76) Top, 1 (25) Sides & Bottom

NOTE: Diagrams, illustrations and photographs are not to scale

– consult installation instructions. Product designs, materials, dimensions, specifications, colors and prices are subject to change or discontinuance without notice.

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