Napoleon Ascent 46 Direct Vent Gas Fireplace
Napoleon Ascent 46 Direct Vent Gas Fireplace
Napoleon Ascent 46 gas fireplace with logs and reflective porcelain panels, flush installed
Napoleon Ascent 46 gas fireplace with logs
Napoleon Ascent 46 gas fireplace with shore fire media and porcelain panels

Napoleon Ascent 46 Direct Vent Gas Fireplace, Natural Gas


The Napoleon Ascent 46 is the one to look at when you want a long, wide fire across the wall. Its viewing area is 41.69 inches wide, so an oak log set has plenty of room to spread out, and the whole unit is 46 inches across. That width makes the fire the focal point of the wall.

It runs on natural gas with electronic ignition and a battery back-up control. The oak log set and a safety barrier come included, and the pan style burner keeps the flames spread along the logs. Venting uses a 4 inch exhaust and 7 inch intake. Napoleon builds the Ascent 46 in Ontario, Canada.

What Makes the Ascent 46 Different

  • A long, wide fire. The 41.69 inch viewing area gives you a broad fire that holds your eye from across the room.
  • Logs and barrier included. The oak log set and safety barrier come with it, so you start with a complete fireplace.
  • Electronic ignition. Electronic ignition with a battery back-up control lights the fire for you.
  • Easy to dress up. Brick or reflective porcelain panels and trim let you change the look to suit the room.

This listing is the Napoleon Ascent 46 for natural gas, model B46NTRE, with electronic ignition. The oak log set and safety barrier are included.

Key Specifications

  • Model: B46NTRE
  • Fuel: Natural gas
  • Input, natural gas (max): 22,000 BTU/hr
  • Ignition: Electronic ignition, battery back-up control
  • Venting: Direct vent, 4 in exhaust / 7 in intake
  • Viewing area: 41.69 in W x 23.69 in H
  • Dimensions: 46 in W x 34.63 in H x 18.31 in D
  • Included: Oak log set, safety barrier
  • Burner: Pan style
  • Made in: Ontario, Canada

Napoleon supplies the input rating. Real comfort depends on the space, your home, the installation, and how the fireplace is run.

Ownership & Maintenance

Keep the included safety barrier installed whenever the fireplace is in use. We provide support after the sale.

Planning a wide fireplace wall? We'll help with panels, trim, venting, framing, and installation. See our gas fireplaces or visit our Auburn, Brunswick, and Yarmouth showrooms.

Start a Project With Napoleon Ascent 46 Direct Vent Gas Fireplace, Natural Gas

Interested in this product? Tell us about the home and project. We'll review fit, venting, installation and the next step.

Photos help, but don't hold up the form. Send the project first. Our team can tell you which photos or measurements will be most useful for the next step.

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