Sierra Flame by Amantii 36" Boston Linear Direct Vent Gas Fireplace

Fuel Type: Natural Gas

Surround Options

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Remote Options

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Termination Kit

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Through The Roof Adapter Kit

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Estimated Arrival: Between and . (To All Contiguous States)

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✔ Free Returns
✔ No Restocking Fees
✔ Financing Options Available

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The Sierra Flame Boston 36 is that the ultimate gas fireplace, whether you’re planning on entertaining or simply want to unwind after an extended day at work. The Boston Gas 36 gives you quick convenient heat so you'll get down to the business of relaxing in front of the flames.

This fireplace is a perfect blend of tradition and functionality. At 16,000 BTU’s it throws ample heat because of the less than 10” depth and smaller than 4 x 6 venting.

The Boston 36 comes standard with electronic ignition, full fan kit, linear burner, black glass kit. this is often the ultimate gas fireplace for builders.

Optional surround and remote available for purchase.

The Sierra Flame 36 Inch Boston Direct Vent Linear Fireplace is a great addition to any home. With the easy-to-use electronic ignition of this stainless steel burner, you'll enjoy how effortlessly it's to use this linear fireplace. you'll also make a choice between natural or propane gas.


  • Size: 36 Inches
  • Color: Stainless Steel
  • Top vent design
  • Electronic ignition
  • Tempered glass front
  • Stainless steel burner
  • True linear fireplace design
  • Thermostatic remote for EI systems
  • Comes in natural gas or liquid propane gas
  • Includes fan kit to circulate heat throughout the room
  • Product Dimensions: 34 91/100" W x 25 11/24" H x 9 5/8" D
  • Safety Screen
  • Black Surround (optional)
  • 4” x 6” Venting
  • 40” Internal Ceiling
  • 9-5/8” Deep For Framing
  • Black Glass Kit & Grey Pebble Kit
  • Termination Kit Boston ADP – adapter

*Venting Requirements: This unit requires a venting pipe with an inner diameter of 4 Inches. Please see the Venting Components section on this page if available for venting pipe that must be used with this unit.


  • Maximum BTU Output: 16,000
  • Min/Max Natural Gas Inlet Pressure: 5"/13.5 WC
  • Min/Max Propane Inlet Pressure: 7"/13.5" WC
  • Framing Dimensions: 37" W x 30 1/4" H x 9 29/50" D
  • Venting Dimensions: 6"
  • Approved Direct Vent Systems: Selkirk, Duravent, Security Metal-Fab, ICC or Security Venting
  • Actual Viewing Area: 30 1/2" x 12 3/4" H
  • Valve Type: IPI (Intermittent Pilot)


Natural Gas Liquid Propane
BTU’s Hi 16,000
Lo 11,500
Hi 16,000
Lo 10,000
Vent Top 4” & 6” Top 4” & 6”
Actual Height, Width, Depth 25.44″ x 34.91″ x 10.24″ 25.44″ x 34.91″ x 10.24″
Framing Height, Width, Depth 30-1/4″ x 37″ x 9-5/8″ 30-1/4″ x 37″ x 9-5/8″
Viewing Area 12-3/4” H x 30-1/2” W 12-3/4” H x 30-1/2” W




Comes with Black Glass Kit & Grey Pebble Kit



Basic Black Surround

Basic Black Surround (BON-36BBS)

  • Size: 36 Inches
  • Color: Black
  • Optional accessory
  • Basic black surround
  • Designed for use with 36 inch Boston fireplaces

Please Note: This is for the surround only. The fireplace must be purchased separately.

Basic Remote Control

Basic Remote Control (BON-REMOTE-EI)

  • Optional accessory
  • Basic remote control
  • For electronic ignition
  • Designed for use with 36 inch Boston fireplaces

Termination Kit

Termination Kit (BON-TERM-KIT)

  • Size: 4 Inches
  • 4" ID
  • 6" OD
  • Vent termination kit
  • Designed for use with Boston series gas fireplaces

The Roof Adapter Kit

The Roof Adapter Kit (BONTTRK-ADP)

  • Includes two adapters
  • 4 Inch flex to 4 Inch hard adapter
  • 4 Inch hard to 6 5/8 Inch hard adapter
  • Designed for use with Sierra Flame Boston fireplaces

Technical Specifications

  • Inner Diameter: 4
  • Outer Diameter: 6
  • Clearance to Combustibles: 3 Inches

17 Piece Grey Ceramic Stone Kit

Stone Kit (STONE-17-KIT)

  • Color: Grey
  • 17 piece kit
  • Ceramic stones
  • Optional accessory
  • Enhances the appearance of flames
  • Designed for use with 36-inch Boston fireplaces