Napoleon 35" Ascent X 70 Direct Vent Gas Fireplace

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NapoleonSKU: GX70NTE-1

Sale price$3,849.00 Regular price$4,222.91
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Fuel Type: Natural Gas

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Napoleon 35" Ascent X 70 Direct Vent Gas Fireplace

Direct Vent Gas Fireplaces

Direct Vent Gas Fireplaces burn natural gas to create heat and flames. They are versatile and easy to install. Enjoy a Direct Vent Gas Fireplace in the living room, bedroom, the basement, kitchen, bathroom, den, and even the home office – wherever you want to enjoy the comfort and warmth of a fire. Direct Vent Gas Fireplaces average about five times more efficient than traditional fireplaces while maintaining air quality and evenly distributing heat throughout a space.

Installation eliminates drafts because the unit is completely sealed and requires no chimney for venting, also ensuring that no gases are released into the home. Cooler air is drawn into the firebox from the outside, which then efficiently pushes the hot air inside the box out through the venting. Indoor air is pulled in and circulated around the outside of the box that is heated by the fire and moved into the room for cozy heat. One of the best parts about a Direct Vent Gas Fireplace is that they do not require electricity to operate. Instead batteries or a self-sufficient control can light the fireplace in the event of a power outage, ensuring light and warmth.

Ascent X Series

The Napoleon Ascent X Series Gas Fireplaces transform an everyday room into a gathering space worthy of company and life's most enjoyable moments. Featuring premium log sets for a traditional look, the Ascent X Series offers you a wide range of heat output options and control. The large viewing area and clean lines provide an unobstructed view of realistic flames. Relax and have complete control of your fire on your favorite smart device with our eFIRE app.

Ascent™ X 70

The Ascent™ X 70 is a one of a kind fireplace that you will be proud to have friends and family notice. Transform an everyday room into a gathering space worthy of life's most enjoyable moments. The ultra-realistic PHAZER® logs are rich in color and detail. The full-width firebox and clean-faced design allow this fireplace to be enjoyed to its fullest. The built-in, adjustable flame and heat control provide superior heat thanks to the circulating blower.

The electronic ignition system ensures safe operation, even in the event of a power failure. Napoleon’s exclusive NIGHT LIGHT™ illuminates the firebox for a comforting glow even if the flames are off. Customize the Ascent™ X 70 gas fireplace with designer accessories including fronts, trims, and decorative panels. Set the mood with the optional beach fire, shore fire, and mineral rocks enhancement kits. Relax even further by using your favorite mobile device and the eFIRE remote app.

Campfire Vibes

Hand painted, realistic looking, PHAZER™ logs bring your fireplace to life.

Set the Scene

From traditional to contemporary, these back panels set the scene for your fireplace delight

Make a Bold Statement

From understated to elegant, these decorative fronts enhance your living space.

*Please Note: 

  • Product main image is shown with optional Black Front with Operable Screen and Newport Brick Panel (Not Included). Sold Separately.
  • A panel kit is required to complete this unit.
  • Please check the accessories section to view more options.


  • Up to 35,000 BTU's
  • Realistic PHAZER™ Logs
  • PHAZERMATIC™ Advanced Burner Technology with Infrared Ember Bed
  • Built-in adjustable flame and heat control
  • 100% SAFE GUARD™ gas control system


      Model GX70
      Fuel Type
      Natural Gas / Propane
      Vent Type Direct Vent
      Vent Size 5 x 8
      Ignition Type Electronic
      Installation Type Zero Clearance
      Vent Inner Diameter 5 Inches
      Vent Outer Diameter 8 Inches
      BTU's - Natural Gas 35,000
      BTU's  - Propane 32,000

      Options & Accessories

      Click to see Decorative Panels (Required)


      MIRRO-FLAME™ Porcelain Reflective Radiant Panels
      • Porcelain Reflective Radiant Panels
      • Reflects flames for enhanced appearance
      • Easily attaches to fireplace
      • Designed for use with Ascent X Series Fireplace


      Decorative Brick Panels Newport™ Standard
      • Fireplace brick panels
      • Adds some aesthetic appeal to the fireplace interior
      • Easily attaches to fireplace
      • Designed for use with Ascent X Series Fireplace


      Decorative Brick Panels Old Town Red™ Herringbone
      • Fireplace brick panels
      • Adds some aesthetic appeal to the fireplace interior
      • Easily attaches to fireplace
      • Designed for use with Ascent X Series Fireplace


      Decorative Brick Panels Old Town Red™ Standard
      • Fireplace brick panels
      • Adds some aesthetic appeal to the fireplace interior
      • Easily attaches to fireplace
      • Designed for use with Ascent X Series Fireplace


      Decorative Brick Panels Westminster™ Grey Herringbone
      • Fireplace brick panels
      • Adds some aesthetic appeal to the fireplace interior
      • Easily attaches to fireplace
      • Designed for use with Ascent X Series Fireplace


      Decorative Brick Panels Westminster™ Grey Standard
      • Fireplace brick panels
      • Adds some aesthetic appeal to the fireplace interior
      • Easily attaches to fireplace
      • Designed for use with Ascent X Series Fireplace


      Decorative Sandstone Brick Panel
      • Fireplace brick panels
      • Adds some aesthetic appeal to the fireplace interior
      • Easily attaches to fireplace
      • Designed for use with Ascent X Series Fireplace

      Click to see Decorative Safety Barrier 



      Black Heritage Decorative Safety Barrier

      • Change the look of your room with the Napoleon H35F Heritage Decorative Front in Black for Ascent series fireplaces.
      • Whether you own a modern or traditional styled home, this sturdy yet intricate decorative front will complement and enhance your fireplace.
      • Take your fireplace from ordinary to sophisticated by adding this simple and sleek fireplace front.



      Black Zen Decorative Safety Barrier

      • The sleek design of the decorative front will give your home a stylish update.
      • Let the decorative fireplace front turn your space into a welcoming and classy environment.
      • In addition, the Z35F Zen Decorative Front in Black for B35 comes with the guarantee of Napoleon's excellent, long-lasting quality.
      • The perfect combination of study construction and intricate design, the Zen decorative front is sure to enhance your home.

      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



      Click to see Decorative Surround



      Black Surround with Operable Safety Barrier

      • The Napoleon Faceplate with Operable Screen for Ascent X Fireplaces is a gorgeous addition to your fireplace.
      • It comes in a stunning matte black and is compatible with the Napoleon Ascent Series Fireplaces.
      • This decorative faceplate has an operable screen for your added convenience.
      • Enjoy the beauty of your Ascent Series fireplace for years to come with this gorgeous faceplate.



      Wrought Iron Decorative Surround

      • Bring a focal point with this Wrought Iron Front to any fireplace.
      • This decorative wrought iron front is an optional upgrade to add a decorative element to the front of your fireplace



      Matte Black Clean Face Decorative Surround

      • Decorative Surround
      • Optional accessory
      • Clean faced design
      • Finish: Matte black





      Scalloped Wrought Iron Decorative Surround

      • Napoleon GX725WI Scalloped Decorative Surround for Ascent X Series Fireplaces - Wrought Iron It provides a decorative accessory for use with Napoleon's Ascent Series GX36 and GX70 gas fireplaces.
      • The Scalloped Wrought Iron surround offers a durable, long lasting accessory that's sure to enhance your perfect fire feature while the unique exterior provides a one of a kind aesthetic for your gas fireplace.

      Click to see Trim Kit



      Black 3" Premium Bevelled Trim Kit

      • Size: 3-Inch
      • Bevelled Trim Kit
      • Optional accessory
      • Sleek, black beveled finish trim




      Black 2" Trim Kit

      • Trim Kit
      • Size: 2-Inch
      • Finish: Black
      • Optional accessory
      • Made for 37.5 X 34.5 inch openings


      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


      Thurmalox Black Stove Paint

      • Type: Paint
      • Thurmalox Black Paint
      • Case of 12 (13 oz)




      Builders Adjusting Nailing Bracket Kit, 100 Pieces

      • 100 piece bracket kit
      • Builder adjusting nailing brackets
      • Specifically designed for Napoleon units



      Conversion Kit - Natural Gas To Propane

      • Electronic Ignition
      • Convert from Natural Gas to Liquid Propane


      Control Option




      Wall Mount Control (W660-0160)

      The Napoleon W660-0160 Wall Mounted SIT Fireplace Remote Control Napoleon provides a useful accessory intended for Napoleon's gas appliances.

      The anti-condensation switch is intended for Napoleon's gas appliances with the SIT ipi gas valve in order to keep the pilot lit to reduce condensation within the firebox, preventing rust or other complications that can occur.


        Napoleon President’s Lifetime Limited Warranty

        Refer to the product manual for full warranty details. 


        About the Manufacturer:

        A long trusted brand of high end fireplaces, Napoleon offers both modern & traditional fireplace designs combined with advanced technologies to give you a full arsenal of fireplace & heating options to choose from. Napoleon fireplaces, stoves and heating products are built to last, providing a lifetime of  quality heat for your home. Napoleon is a leading heating & fireplace manufacturer offering a complete line of innovative hearth products. 

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        At Belleflame, we believe that shopping should be simple, stress-free, and most importantly, enjoyable. That's why we work hard to bring you the best products, prices, and customer service in the industry.

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        Order Confirmation:

        As soon as you place your order, you will receive a confirmation email. After that, we double-check if all items ordered are in stock and available for immediate shipment. If your order is available for the delivery within the advertised time frame, we will submit it for shipment to the warehouse. If the expected delivery time exceeds the advertised time frame, we'll reach out to you via email and/or phone to confirm the order.

        Order Shipment:

        Within 1 business day from the time the item has been shipped, you will receive an email confirmation with tracking number. If you would not receive tracking information within six business days of your order, feel free to follow up with us.

        Estimated Time of Arrival:

        We typically deliver within 2-10 business days. Custom made products are usually delivered within 3-5 weeks. If the expected delivery date for your order would fall outside of the advertised 2-10 business day time frame, our customer service team will reach out to you to confirm if you are OK with that date.

        Areas Covered:

        All estimated delivery dates and shipping costs advertised on the website apply the the Contiguous United States only. Please contact our customer service team to discuss the time and cost of shipping to Hawaii or Alaska. We don't ship directly to Canada, but we can ship your order to the freight carrier of your choice.


        It is very important that you inspect the packaging of your items when they arrive and check if you received all boxes listed on the delivery receipt. If you notice any damage or shortage of packages, you must make note of it on the bill of lading, take pictures, and refuse delivery. Your note should say "refused due to damage". You must also take photos of all sides of the box and send them to us within 2 days. If there are no damages visible before opening the box, you must note "subject to further inspection may contain concealed damage". If you notice any damage after receiving the delivery, do not throw the box away, and contact us with the photos. After we receive information from you about the refused delivery or concealed damage, we immediately initiate a claim with the shipping company or with the manufacturer. After the claim is fully processed, we ship all replacements at absolutely no cost to you.

        Cancellations & Refunds:

        We can cancel your order at absolutely no cost to you before the shipping label or Bill of Lading has been created, or before production of a custom order has started. Custom made items are not eligible for refunds after production has started. To be eligible for a return, the item must be unused and in the same condition as you received it. It must also remain in the original packaging, and the packaging must be in a perfect condition. Orders delivered outside the United States are not eligible for refunds. If your order arrived damaged, "Damages" section applies. Our refund policy lasts 30 days. If 30 days have gone by since your purchase, unfortunately, we can’t offer you a refund. Please contact us before returning an item to discuss shipping details. All refunds will be issued to the credit card or PayPal account you used for your purchase within 2 days after all returned items arrived at our warehouse.

        Please contact for any questions regarding shipping time.

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