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Napoleon B46 Ascent 46" Direct Vent Gas Fireplace

Napoleon B46 Ascent 46" Direct Vent Gas Fireplace

Regular price $2,799.00
Regular price Sale price $2,799.00
Sale Sold out
Ignition Type

Decorative Panels

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MIRRO-FLAME Porcelain Reflective Radiant Panels

Old Town Red Herringbone Brick Panels

Sandstone Standard Brick Panels

Westminster Herringbone Brick Panels

Westminster Standard Brick Panels

No, Thank You

Safety Barrier

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Black Heritage Decorative Safety Barrier

Black Zen Decorative Safety Barrier

No, Thank You

Trim Kit

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Black 3-Inch Premium Bevelled Trim Kit

No, Thank You

Decorative Fire Media Kit

Mineral Rock Kit (Recommended with Shore Fire Kit)
Beach Fire Kit (Recommended with Shore Fire Kit)
Shore Fire Kit
Support Bracket for Media Kits (Required with Fire Media Kit)

Ambient-Glow Embers

Pack of 50

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Ambient-Glow Embers (Pack of 50)

No, Thank You

Thurmalox Black Paint

Case of 12

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Black Paint, Thurmalox 13oz (Case of 12)

No, Thank You

Builders Adj Nailing Bracket Kit

100 Pieces

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Builders Adj Nailing Bracket Kit (100 Pieces)

No, Thank You

Control Options

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On/Off Remote Control with Digital Screen

Thermostatic On/Off with Digital Screen

Wall-Mounted Digital Thermostat

No, Thank You

Heat Circulation Options

Blower Kit with Variable Speed & Thermostatic Control
Extension Kit, 5ft Flex Vent
12-Inch Stainless Steel Gas Flex Connector & Shut Off (25/Carton)

Power Vent Options

Power Vent Kit
Power Vent Adaptor Kit

Conversion Kit

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Natural Gas to Propane (Millivolt Ignition)

Natural Gas to Propane (Electronic Ignition)

No, Thank You

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Ascent™ 46

The Ascent™ 46 gas fireplace features a gorgeous hand-painted PHAZER® log set with a traditional look and feel. It is a clean-faced fireplace that maximizes the viewing area so the realistic flames can be enjoyed to their fullest. Customize the look of this gorgeous fireplace with a selection of fronts, backer panels, trims, and optional media kits like the beach fire and mineral rock kit to lend a more unique look. This unit is ideal for builders and homeowners alike, featuring a shallow depth, which allows for versatile installations where space is at a premium. This means any room, even a mobile home, can have a beautiful gas fireplace. No power? No problem! The electronic ignition system ensures that the fireplace functions, even when the power goes out, keeping your family safe and warm. With the approved safety barrier, the Ascent™ meets tomorrow's safety standards today.

Napoleon’s Ascent 46 is now the largest single view fireplace in the Ascent Series and is offered as a 4" x 7" top and rear vent model. Offering a multitude of options with decorative fronts, trim kits, decorative brick panels and MIRRO-FLAME Reflective Radiant Panels, the Ascent 46 can be designed to your personal taste and match any home décor. An approved safety barrier comes standard on the Ascent 46.

Advanced Burner Technology  
Napoleon`s sophisticated burner system offers superior flame technology. Strategically placed burner ports create the most realistic YELLOW DANCING FLAMES® in the industry 
Zone Heating
Zone Heating means you are heating the rooms that you use the most with an alternate heat source, like a Napoleon heater rated gas fireplace. Zone Heating is the obvious solution for families concerned about rising fuel costs.
Safety Screens 
Napoleon, leaders in design & technology have developed safety screens with aesthetically pleasing designs for every gas appliance to ensure ultimate safety and peace of mind for your family.
Finely Tuned Precision Valves
Surrounded with a protective cast aluminum jacket, the precision valves allow for ultimate reliability and 100% SAFE GUARD™ gas control system.
PHAZER® Log Set 
The log set is rich in color and detail, provide a real wood log appearance. They are produced by a unique process where ceramic fibers are melded together in the form of a variety of log shapes. They are then hand painted and accented to create the most realistic looking logs available. The properties of the ceramic fibers allow the logs to withstand the extreme temperatures that they are exposed to within the combustion chamber of the fireplace. It is for this reason that our Phazer® logs are guaranteed for life!
Direct Vent Technology 
Napoleon's Direct Vent Gas Fireplaces do not require a chimney and can be vented directly through a wall or roof. The direct vent draws its combustion air from outside while venting to the same outside atmosphere.


  • Available in 36", 42" and 46" sizes.
  • Exclusive PHAZER® log set and glowing ember bed are the most realistic in the industry
  • Up to 22,000 BTU's
  • President’s Limited Lifetime Warranty
  • Pre-wired for wall switch
  • Firestop
  • Mobile home approved
  • Back-up control system ensures reliable use, even during power failures
  • Millivolt or Electronic ignition systems available
  • Flex connector complete with shut off (Electronic ignition system only)
  • Pan style burner
  • Optional MIRRO-FLAME Porcelain Reflective Radiant Panels
  • Optional Black Trim Kits in 2" Standard Design or 3" Premium Beveled Design
  • Optional remote control
  • Optional blower kit
  • Optional AMBIENT-GLOW metal fibers are designed to enhance the glowing embers on gas fires
  • Optional media enhancement kits include Beach Fire, Shore Fire and Mineral Rocks
  • Dimensions: 34 5/8"H x 46"W x 18 5/16"D
  • Glass Size:  23 11/16"h x 41 11/16"w

*Please Note: All Units are in Natural Gas. If Propane is required - Please order Conversion Kit from optional Accessories.

Available Model: 

Options & Accessories

Click to see Panels



Click to see Decorative Fronts


*Note: Safety Screen Included for FREE, optional fronts are below


H46F Heritage Decorative Front

  • 12 lbs
  • Classic black finish
  • Custom made for B346 fireplaces
  • Guaranteed Napoleon quality

Z46F Zen Decorative Front

  • 12 lbs
  • Zen Decorative Front
  • Black finish
  • Napoleon quality


Click to see Decorative Trim Kit

Premium 3" Bevelled Trim Kit-BT46K

  • Color: Black
  • 3" thick
  • Sleek, black beveled finish trim
  • For use with 46" Ascent gas fireplace


    Click to see Decorative Media


    Napoleon Beach Fire Kit (Recommended with Shore Fire Kit)



    Napoleon Shore Fire Kit, Mixture of Rocks, Sand, Vermiculite & Glass (Includes Tray)


    Napoleon Mineral Rock Kit (Recommended with Shore Fire Kit)

    RR42 Support Bracket

    This component helps to support the DLE and REK media kits for the gas fireplaces to ensure safe and proper installation.


    Ambient-Glow  Embers - Pack of 50

    • Type: Embers
    • Fireplace Media
    • Master Pack of 50
    • Ambient-Glow Fireplace Embers
    • A great complement to your existing outdoor heating appliance
    • Enjoy the cool night around the fire with no smell and smoke


    Click to see Control Options
    • F45 Remote Control, On/Off with Digital Screen

    The remote provides convenient on/off control of a Napoleon appliance and features convenient battery-operated, hand-held design. You can check out the function on an easy-to-read digital screen, making the F45 remote one of the most versatile, user-friendly remotes on the market.

    Includes: Transmitter remote, remote cradle, receiver box, wall plate, wires with connectors, batteries, and instruction manual

      • F60 Remote Control, Thermostatic On/Off with Digital Screen

      With this remote you get on/off thermostatic control, battery-operated, hand-held design, and an easy-to-read digital screen. The 2-degree temperature swing reduces that annoying short on/off cycling, and it can be set to check the room temperature every 60 seconds and react accordingly. Simplicity, function, and value make the F60 a great choice for your Napoleon appliance

      Includes: Transmitter remote, remote cradle, receiver box, wall plate, wires with connectors, batteries, and instruction manual


      • W660-0081 Wall-Mounted Digital Thermostat
      • Napoleon W660-0081 Wall Mounted Digital Thermostat
      • Thermostat gives homeowner greater control of temperature
      • Mounts easily on the wall for easy access
      • Digital readout makes operation a snap
      • Temperature control for greater comfort level


      Click to see Heat Circulation Option
      AUB Universal Blower Kit

      • Type: Blower
      • Variable Speed
      • Thermostatic Control
      • Serious energy savings
      • Napoleon AUB Ascent Universal Blower Kit
      • Includes blower kit, temperature sensor and rheostat control
      • Intended for use with Ascent series fireplaces

      Hot Air Distribution Kit-GA-566

      With this Napoleon Hot Air Distribution Kit you can maximize the heating capability of your Napoleon direct vent fireplace.It manages heat produced by the fireplace by expelling it safely and efficiently into the areas of the home that you wish to heat. 

      • Maximizes house-wide heating efficiency
      • For use with a variety of Napoleon fireplaces
      • Includes all assembly items for an easy and secure installation
      • Effectively distributes hot air from unit to heat adjacent rooms



      Hot Air Exhaust Kit - GA-72

      Hot Air Exhaust Kit

      This Napoleon Hot Air Distribution for Gas Fireplaces is an exterior vent termination that provides convenient air circulation for any gas fireplace. 

      • Napoleon Hot Air Distribution Vent for Gas Fireplaces
      • Includes an exhaust kit for installation
      • Exterior vent termination
      • GA-566 also required


      Click to see Power Vent Accessories

      GPV Power Vent Kit
      • Ideal for situations where standard direct vent configurations aren't possible
      • Allows vent terminations to be above or below the fireplace
      • Can "snake" around obstacles
      • Extends from 10 to 110 ft.
      • Includes a 20 ft. cord/wire harness and electronic junction control box
      • Suitable for use with some direct vent Napoleon fireplaces that require 4" x 7" venting systems

      *Note: The GPV Power Vent Terminal must be used in conjunction with an adaptor.

      Power Vent Adaptor Kit



      Conversion Kit

      Napoleon Conversion Kit - Natural Gas to Propane 


      Napoleon Gas Appliance President’s Lifetime Limited Warranty

      Refer to product manual for full warranty details. 



      View full details
      • Researched and ordered my fireplace from US FIreplace Store. Pricing was a fair value however, the customer service was EXCELLENT! I had an issue with the direct vent venting. I called US Fireplace and the correct items were sent out the next day AND Janessa stayed on top of my return authorization and sent me the permissions and documents I needed to return the incorrect item and no cost to me, including return shipping. Overall, I am a very satisfied customer and my fireplace looks and operates flawlessly. I am glad that I selected US FIreplace to source my direct vent fireplace. Thank you for the great service.


        Monteagle, TN

      • I had placed an order, through Lowe's Home Improvement, for an Electric Firebox: Revillusion RBF42. Ordered 1st part of January. Was told I would have it in 3 weeks. When checking to see is it came in, was told it was delayed to 3/15. Was then told is was delayed until 4/25. Waited until 4/27 to check on it. Was then told it was now delayed until August. This firebox was going in a new Sun Room addition. I could not get my final inspection until the Firebox was installed. I went on line and googled for this same product. US Fireplace Store web site was given to me. This was on a Saturday. I call and reached a very nice man. Explain what I was look for. He checked and told me they had 30 of them in stock. I almost fell out of my chair. I clarified with him the product I was wanting. I ask how soon could I get it. He told me it would ship today. Again, was amazed. It arrived on the following Monday. What a pleasure and a relief working with US Fireplace Store and their employees. Exceed my expectations.

        Thomas W.

        Fort Mill, SC

      • Great prices, quick delivery and fast hassle free services on the issue I encountered. I had purchased an electric fireplace unit that would not fit into the existing fireplace space. With one email I was able to get the wrong fireplace refunded and picked up at my home at no extra cost and the new one I purchased and delivered free of charge. Great company.

        John P.

        Denvers, MA

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