Sierra Flame Toscana 3-Sided Peninsula Gas Fireplace

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  • Owner's Manual

The Toscana 3-Sided Peninsula Gas Fireplace features an integrated design with all its functionality contained within the firebox. This allows for straightforward installation and seamless integration with standard wood or drywall materials which eliminates the need for special framing or concrete boards. Maintenance is simple since there is no technician required for cleaning inside the glass.

The Toscana series uses RTC Technology, which combines radiant heat, thermal airflow, and convection to optimize room heating. Three or four fans with six variable speeds and seven flame settings provide flexibility, offering up to 42 heating combinations to suit your comfort needs.

The Toscana is available in 38-inch, 48-inch, and 58-inch models. The glass viewing area measures 15.28 inches high and ranges from 41 to 59.21 inches wide on the front and 13.40 inches wide on the sides. 
This series supports both natural gas (NG) and liquid propane (LP) which is great since it can offer versatility for different fuel preferences. All in all, Toscana series combines form and function to create a centrepiece that enhances both warmth and style.


Features:

  • Seamless Look: No gaps, louvres, or visible vents—just a clean, modern finish.
  • No Heat Venting Needed: All heat is contained within the unit; no additional wall vents required.
  • Safe with Combustibles: Finish with wood or drywall—no special materials needed.
  • Clear View Glass: Double-walled for safety, with no visible safety screen needed.
  • Warm Glass System: Keeps glass below 172°F, safely radiating warmth.
  • Easy Maintenance: Removable glass for quick cleaning, no technician required.

Venting Requirements:

Termination Kits

These are used for ending venting systems at exterior walls, typically for horizontal venting.

  • GEN-TERMKIT: Termination Kit for Vienna Series (5" x 8" Venting)
  • Includes two firestop/wall thimbles and a horizontal termination vent.

Through-the-Roof Kits

Used for venting systems that pass through the roof, offering essential weatherproofing and structural components.

  • 58TTRK: 5/8 - 5-Piece Duravent Through-the-Roof Kit
    • Includes a 36" hard pipe, storm collar, 58DVA-FCM adapter, and flashing.
    • For standard roof installations, ensuring secure and weatherproof venting.
  • 58TTRK-STEEP: 5/8 - 5-Piece Duravent Through-the-Roof Kit (Steep)
    • Includes a 36" hard pipe, storm collar, 58DVA-FCM adapter, and steep flashing.
    • Designed specifically for steep roof installations with specialized flashing.

Specifications:

  • Toscana 38"
    • BTUs: NG: 24,500 (Hi) / 15,000 (Lo); LP: 24,000 (Hi) / 14,000 (Lo)
    • Dimensions (Actual): 42.27" W x 32.71" H x 18.49" D
    • Framing Dimensions: 43.25" W x 36.5" H x 19.5" D
    • Viewing Area: 15.28" H x 41" W
    • Side View Area: 15.28" H x 13.40" W
  • Toscana 48"
    • BTUs: NG: 36,000 (Hi) / 21,000 (Lo); LP: 28,500 (Hi) / 21,500 (Lo)
    • Dimensions (Actual): 50.27" W x 32.64" H x 18.49" D
    • Framing Dimensions: 51.25" W x 36.5" H x 19.5" D
    • Viewing Area: 15.28" H x 49.21" W
    • Side View Area: 15.25" H x 13.40" W
  • Toscana 58"
    • BTUs: NG: 40,000 (Hi) / 23,000 (Lo); LP: 36,000 (Hi) / 22,000 (Lo)
    • Dimensions (Actual): 60.27" W x 32.64" H x 18.49" D
    • Framing Dimensions: 61.25" W x 36.5" H x 19.5" D
    • Viewing Area: 15.28" H x 59.21" W
    • Side View Area: 15.25" H x 13.40" W

Downloads:

Technical Specifications:

Model: Toscana 38"

  • Vent: Top, 5" & 8"
  • Height:
    • Actual: 32.71 Inches
    • Framing: 36.5 Inches
  • Width:
    • Actual: 42.27 Inches
    • Framing: 43.25 Inches
  • Depth:
    • Actual: 18.49 Inches
    • Framing: 19.5 Inches
  • Viewing Area:
    • Height: 15.28 Inches
    • Width: 41 Inches
  • Side View Area:
    • Height: 15.28 Inches
    • Width: 13.40 Inches

Natural Gas (NG):

  • Maximum Input (Hi): 24,500 Btu/hr (7.18 kW)
  • Minimum Input (Lo): 15,000 Btu/hr (4.40 kW)
  • Manifold Pressure: 3.5” w.c. (0.87 kPa)
  • Gas Inlet Supply Pressure:
    • Minimum: 5.0” w.c. (1.2 kPa)
    • Maximum: 10.5” w.c. (2.61 kPa)
  • Orifice Size (at 0-4500’): #42 DMS
  • Air Shutter: Open 1/4” min (6.35 mm)
  • Control Valve Type: Skytech AF-40004
  • Venting: 2-ply aluminum vent, Selkirk, Duravent, Security Venting, ICC Venting, or Metal-Fab Venting
  • Fans: 4 pcs Variable Speed (110 Volt / 60 Hz)

Propane (LP):

  • Maximum Input (Hi): 24,000 Btu/hr (7.03 kW)
  • Minimum Input (Lo): 14,000 Btu/hr (4.10 kW)
  • Manifold Pressure: 10.0” w.c. (2.49 kPa)
  • Gas Inlet Supply Pressure:
    • Minimum: 7.0” w.c. (1.74 kPa)
    • Maximum: 13.0” w.c. (3.23 kPa)
  • Orifice Size (at 0-4500’): #54 DMS
  • Air Shutter: Fully Open
  • Control Valve Type: Skytech AF-40004
  • Venting: 2-ply aluminum vent, Selkirk, Duravent, Security Venting, ICC Venting, or Metal-Fab Venting
  • Fans: 4 pcs Variable Speed (110 Volt / 60 Hz)

Model: Toscana 48

  • Vent: Top, 5" & 8"
  • Height:
    • Actual: 32.64"
    • Framing: 36.5"
  • Width:
    • Actual: 50.27 Inches
    • Framing: 51.25 Inches
  • Depth:
    • Actual: 18.49 Inches
    • Framing: 19.5 Inches
  • Viewing Area:
    • Height: 15.28 Inches
    • Width: 49.21 Inches
  • Side View Area:
    • Height: 15.25  Inches
    • Width: 13.40 Inches

Natural Gas (NG):

  • Maximum Input (Hi): 36,000 Btu/hr (10.55 kW)
  • Minimum Input (Lo): 21,000 Btu/hr (6.15 kW)
  • Manifold Pressure: 3.5" w.c. (0.87 kPa)
  • Gas Inlet Supply Pressure:
    • Minimum: 5.0" w.c. (1.2 kPa)
    • Maximum: 10.5" w.c. (2.61 kPa)
  • Orifice Size @ 0-4500': 2 x # 48 DMS
  • Air Shutter: Open 1/4" min (6.35mm)
  • Control Valve Type: Skytech AF-40004
  • Venting: 2-ply aluminum vent, Selkirk, Duravent, Security Venting, ICC Venting, or Metal-Fab Venting
  • Fans: 4 pcs Variable Speed (110 Volt / 60 Hz)

Propane (LP):

  • Maximum Input (Hi): 28,500 Btu/hr (8.35 kW)
  • Minimum Input (Lo): 21,500 Btu/hr (6.30 kW)
  • Manifold Pressure: 10.0" w.c. (2.49 kPa)
  • Gas Inlet Supply Pressure:
  • Minimum: 7.0" w.c. (1.74 kPa)
  • Maximum: 13.0" w.c. (3.23 kPa)
  • Orifice Size @ 0-4500': 2 x # 56 DMS
  • Air Shutter: Fully Open
  • Control Valve Type: Skytech AF-40004
  • Venting: 2-ply aluminum vent, Selkirk, Duravent, Security Venting, ICC Venting, or Metal-Fab Venting
  • Fans: 4 pcs Variable Speed (110 Volt / 60 Hz)

Model: Toscana 58"

  • BTU’s:
    • Natural Gas: Hi 40,000, Lo 23,000
    • Propane: Hi 36,000, Lo 22,000
  • Vent: Top, 5" & 8"
  • Height:
    • Actual: 32.64"
    • Framing: 36.5"
  • Width:
    • Actual: 60.27"
    • Framing: 61.25"
  • Depth:
    • Actual: 18.49"
    • Framing: 19.5"
  • Viewing Area:
    • Height: 15.28"
    • Width: 59.21"
  • Side View Area:
    • Height: 15.25  Inches
    • Width: 13.40 Inches

Natural Gas (NG):

  • Maximum Input (Hi): 40,000 Btu/hr (11.72 kW)
  • Minimum Input (Lo): 23,000 Btu/hr (6.74 kW)
  • Manifold Pressure: 3.5" w.c. (0.87 kPa)
  • Gas Inlet Supply Pressure:
    • Minimum: 5.0" w.c. (1.2 kPa)
    • Maximum: 10.5" w.c. (2.61 kPa)
  • Orifice Size @ 0-4500': 2 x # 44 DMS
  • Air Shutter: Open 1/4" min (6.35mm)
  • Control Valve Type: Skytech AF-40004
  • Venting: 2-ply aluminum vent, Selkirk, Duravent, Security Venting, ICC Venting, or Metal-Fab Venting
  • Fans: 4 pcs Variable Speed (110 Volt / 60 Hz)

Propane (LP):

  • Maximum Input (Hi): 36,000 Btu/hr (10.55 kW)
  • Minimum Input (Lo): 22,000 Btu/hr (6.45 kW)
  • Manifold Pressure: 9.4" w.c. (2.34 kPa)
  • Gas Inlet Supply Pressure:
  • Minimum: 7.0" w.c. (1.74 kPa)
  • Maximum: 13.0" w.c. (3.23 kPa)
  • Orifice Size @ 0-4500': 2 x # 55 DMS
  • Air Shutter: Fully Open
  • Control Valve Type: Skytech AF-40004
  • Venting: 2-ply aluminum vent, Selkirk, Duravent, Security Venting, ICC Venting, or Metal-Fab Venting
  • Fans: 4 pcs Variable Speed (110 Volt / 60 Hz)

Manufacturer's Warranty

NAPOLEON products are manufactured under the strict Standard of the world recognized ISO 9001 : 2008 Quality Assurance Certificate. NAPOLEON products are designed with superior components and materials assembled by trained craftsmen who take great pride in their work. The burner and valve assembly are leak and test-fired at a quality test station. The complete appliance is again thoroughly inspected by a qualifi ed technician before packaging to ensure that you, the customer, receives the quality product that you expect from NAPOLEON. The following materials and workmanship in your new NAPOLEON gas appliance are warranted against defects for as long as you own the appliance. This covers: combustion chamber, heat exchanger, stainless steel burner, phazer™ logs and embers, rocks, ceramic glass (thermal breakage only), gold plated parts against tarnishing, porcelainized enameled components and aluminum extrusion trims.* Electrical (110V and millivolt) components and wearable parts are covered and NAPOLEON will provide replacement parts free of charge during the fi rst year of the limited warranty. This covers: blowers, gas valves, thermal switch, switches, wiring, remote controls, ignitor, gasketing, and pilot assembly.* Labour related to warranty repair is covered free of charge during the fi rst year. Repair work, however, requires the prior approval of an authorized company offi cial. Labour costs to the account of NAPOLEON are based on a predetermined rate schedule and any repair work must be done through an authorized NAPOLEON dealer. * Construction of models vary. Warranty applies only to components included with your specifi c appliance. NAPOLEON GAS APPLIANCE PRESIDENT’S LIFETIME LIMITED WARRANTY

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