Napoleon D42 Ascent Deep Series 42" Direct Vent Gas Fireplace

Fuel Type: Natural Gas

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

✔ Same-Day Order Processing
✔ Free Returns
✔ No Restocking Fees
✔ Financing Options Available

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Building on the popularity of Napoleon’s Ascent Series, the new Ascent Deep fireboxes offer premium depth with all the key features and options that builders and remodelers rely on. The Ascent Deep is available in 2 models, both 22" deep. The D42 and DX42 offers a versatile range of options for design flexibility – with decorative brick panels, fronts and trims. The optional heat management allows for reduction in clearance to combustibles, which reduces distance to sensitive items like TVs, sound equipment and artwork. Making your home layout more comfortable for years of enjoyment.

Competitive Advantages

  • 22" framing depth
  • 26,000 BTU's
  • Optional heat management for reduced clearance to combustibles
  • Wide range of optional accessories
  • Will allow Rigid and Flex venting
  • Optional Remote and Blower
  • Standard Safety Barrier
  • Oak log set included
  • Battery back-up, USB charging
  • Tempered heat resistant glass

Dimensions (Actual):

  • Height: 37 7/16"
  • Front Width: 40 1/4"
  • Depth: 22 1/2"

Dimensions (Framing):

  • Height: 42"
  • Front Width: 40 7/8"
  • Depth: 23"



The Ascent™ Deep 42 Gas Fireplace is a traditionally styled gas fireplace that features a hand made premium split oak log set. This clean-faced fireplace has an extra-deep 22-inch firebox to ensure that every inch of the gorgeous fire can be enjoyed. Fully customize this beautiful fireplace with a multitude of optional fronts, backs, trim kits, and even additional logs and rocks. The optional heat management system reduces clearance to combustibles on installation for greater interior design flexibility. Meaning that you can place your favorite electronics and artwork closer to the fireplace without fear of heat damage. The Ascent™ Deep 42 Gas Fireplace ensures your favorite space is more comfortable for years to come.



These hyper-realistic logs are meticulously hand made to look just like split oak logs.


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


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


Bring a natural element to your fire with a variety of rocks, sand, vermiculite and glass.


NIGHT LIGHT™ illuminates the decorative firebox and logs even when the fireplace is off.


Options & Accessories

Click to see Optional Decorative Panels



Click to see Optional Decorative Front & Trims - Black


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)


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



    Click to see Heat Circulation Option

    Hot Air Distribution Kit-LHAD

    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


    Heat Management System - UHM

    Another brilliant way to manage heat from the fireplace, the UHM or Universal Heat Management System doesn’t require blowers to function. It is a simple, quiet system and doesn’t require blowers and additional electricity to function.

    How it works:

    The UHM System works passively, meaning it is silent, which is great when watching a movie or reading in front of the fire with your loved ones. This passive heat management system move the warm air from the fireplace into the same room as the fireplace through a set of ducts, directing the heat so that it will circulate around the room instead of blowing directly onto the viewer.

    Includes 2 each: grill, vent boot, 5′ flexible duct, collar assemblies


    Premium Safety Barrier Assembly

    • Standard Safety Barrier is included with this unit, if you want to upgrade then select this optional Premium Safety Barrier Assembly. 

    Conversion Kit

    • W175-0737: Conversion Kit - Propane to Natural Gas (Electronic Ignition)
    • W175-0736: Conversion Kit - Natural Gas to Propane (Electronic Ignition)


    Napoleon Gas Appliance President’s Lifetime Limited Warranty

    Refer to product manual for full warranty details.