Napoleon Ascent 46 Direct Vent Gas Fireplace | B46
Images & size shown are for reference only: colors may vary by screen, lighting, & natural material variation. See description for dimensions & finish options or call us to request a sample if an exact match is needed.
Napoleon Ascent 46 Direct Vent Gas Fireplace | B46 - Millivolt / None (Painted Black) / None (Standard Safety Barrier) is backordered and will ship as soon as it is back in stock.
Choose with help from our Maspeth showroom. Read customer reviews on Google.
Pickup available at Maspeth, NY Showroom
Usually ready in 2-4 days
- Northeast shipping. Eligible orders over $999 ship free within our 11-state area; other eligible orders have a flat rate at checkout. Product exclusions apply. Shipping details.
- Factory-authorized Napoleon Fireplaces dealer. You keep the full manufacturer warranty.
- 30-day returns, no restocking fee.
- Professional installation available across NYC, Long Island, Westchester, northern NJ and Greenwich/Stamford, CT.
Maspeth, NY 11378
- Monday–Friday
- 9:00 AM–5:00 PM
- Saturday
- 10:00 AM–3:00 PM
- Sunday
- Closed
Call ahead to confirm the model you want to see and pickup readiness.
Shipping & Delivery Area
Shipping & Delivery Area
- Online shipping is limited to Maine, Vermont, New York, New Hampshire, Massachusetts, Connecticut, Pennsylvania, New Jersey, Maryland, Delaware and Rhode Island.
- Eligible orders over $999 receive free standard shipping; eligible orders of $999 or less have a flat rate shown at checkout.
- Our own trucks deliver eligible local orders up to 120 miles. e-NRG fuel, white-glove delivery and assembly have separate eligibility, distance limits and charges.
- For other states, or when no delivery option appears, call 718-326-4328 for a quote before ordering.
- Read the shipping policy for details.
Assembly & Installation
Assembly & Installation
Our company installs in the following areas: Manhattan, Queens, Brooklyn, Nassau, Suffolk, Staten Island, Bronx, & Westchester NY. Hudson, Union, Essex, & Bergen NJ. Greenwich & Stamford, CT. Check out our portfolio of projects we built!
WE OFFER INSTALLATION FOR THE PRODUCTS WE SELL BELOW
- Outdoor Kitchens
- Outdoor Fireplaces/Firepits
- Outdoor Pizza Ovens
- Gas Fireplaces
- Gas Inserts
- Gas Log Sets
- Fireplace Doors
- Fireplace Mantels
- Electric Fireplaces
- Water Vapor Fireplaces
- Ethanol Fireplaces
Call for a free quote 718-326-4328
Warranty
Warranty
Manufacturer's warranty their products only if they are purchased from an authorized retailer like us. If an issue occurs and the item was purchased from a 3rd party website i.e. Amazon, your claim may be denied. What this means for you as a customer? As a factory authorized & trained dealer for every brand on our website, you will maintain full manufacturer's warranty. Please click on the manufacturer's manual in the description for full warranty coverage information.
Returns
Returns
- No-Restock Fees
- 30-Day Return Policy
- The NYC Fireplaces Team wants you to love what it is that you've ordered! If for some reason you have an issue with your product, we offer a '30-Day Return Policy'.
- We allow returns on all new, unused, unassembled, and "resalable" items in their original packaging within 30 days of the delivery date for a refund (minus the original shipping costs, and the shipping costs you incur shipping the product back). Naturally, if your return is because of our error, you are not responsible for any shipping costs.
Napoleon Ascent 46 Direct Vent Gas Fireplace | B46
Napoleon Ascent 46 Direct Vent Gas Fireplace | B46 - Millivolt / None (Painted Black) / None (Standard Safety Barrier) is backordered and will ship as soon as it is back in stock.
Description
Description
Overall Dimensions: 46 in. W x 34-5/8 in. H x 18-5/16 in. D
The Napoleon Ascent 46 (B46) is a traditional direct vent gas fireplace with a 46 in. wide firebox, a log set and a tempered glass front with an approved safety barrier. Napoleon rates it at 22,000 BTU/h on natural gas or propane, and it vents through the top or rear with 4 in. x 7 in. direct vent pipe.
Choose millivolt ignition, which runs without house power, or electronic ignition. Interior panel options on this listing include MIRRO-FLAME reflective porcelain and Westminster brick, and the Heritage (H46F) or Zen (Z46F) decorative front can be added.
Key Specifications
| Models | B46NTR / B46PTR (millivolt, NG / LP), B46NTRE / B46PTRE (electronic, NG / LP) |
|---|---|
| Input | 22,000 BTU/h natural gas, 22,000 BTU/h propane |
| Efficiency | 73.3% EnerGuide (Napoleon Ascent brochure) |
| Glass | Tempered, 23-11/16 in. x 41-11/16 in. (988 sq. in.) |
| Venting | Direct vent, top or rear, 4 in. exhaust / 7 in. intake; flexible vent up to 20 ft horizontal or 40 ft vertical |
| Electrical | Millivolt models need no external power; electronic models rated 115 V, 60 Hz, under 12 A |
| Blower | Optional |
| Certification | CSA 2.22 / ANSI Z21.50 vented decorative gas appliance; approved for bedroom, bathroom and mobile home where local code permits |
Dimensions and Cutout
| Fireplace (W x H x D) | 46 in. x 34-5/8 in. x 18-5/16 in. |
|---|---|
| Minimum framing (W x D) | 46-1/2 in. x 18-9/16 in. (with 1/2 in. finishing material) |
| Minimum enclosure height | 50-1/2 in. top exit, 41-5/8 in. rear exit |
| Minimum ceiling height | 54 in. |
| Vent clearances | Horizontal pipe 1 in. sides and bottom, 3 in. top; vertical pipe 1 in. all around |
| Front clearance | Keep objects at least 4 ft from the front |
Features
- Traditional firebox with log set and glowing ember presentation
- Flame and heat adjustment
- Millivolt or electronic ignition, both offered in natural gas and propane
- Top or rear 4 in. x 7 in. direct venting; factory set for rear vent
- Interior panel options: MIRRO-FLAME reflective porcelain (PRPB46) and Westminster herringbone or standard brick (DBPB46WH / DBPB46WS)
- Decorative fronts: Heritage (H46F) and Zen (Z46F), offered on this listing
- Media kit options listed by Napoleon: Shore Fire, Beach Fire and Mineral Rock
- Remote options: Napoleon F45 on/off remote or Napoleon F60 thermostatic remote
What Is Included and What You Will Need
- Included: fireplace, log set, safety barrier, glass door, deflector, 4 in. flue collar and gasket, 7 in. intake collar, cover plates and rear exit shield
- Required: approved 4 in. x 7 in. direct vent pipe and wall or roof termination, gas line with shutoff, framing and finishing
- Optional: blower, remote control, interior panels, decorative front, surround or trim, media kits, propane conversion
Installation Notes
Frame to 46-1/2 in. wide x 18-9/16 in. deep and vent with an approved 4 in. x 7 in. system (Napoleon, Simpson DuraVent and others listed in the manual) within the 20 ft horizontal and 40 ft vertical limits. Installation and gas hookup must be done by a qualified installer per the Napoleon installation manual. In New York City, gas work requires a licensed master plumber and permits, and sealed direct vent appliances like this one are a common code-compliant choice. Book a free design consultation and we will help you plan the layout, utilities and installation.
Documentation
Frequently Asked Questions
How many BTUs is the Ascent 46?
Napoleon rates it at 22,000 BTU/h input on natural gas and on propane.
Does it work during a power outage?
Millivolt models run without house power. Electronic models need power, and the manual covers the battery backup option.
Can it vent through the top or the back?
Yes. It ships for rear venting and converts to top venting with 4 in. x 7 in. direct vent pipe.
How big is the framing?
Minimum 46-1/2 in. wide x 18-9/16 in. deep, with a 50-1/2 in. enclosure height for top exit or 41-5/8 in. for rear exit.
Related reading: Direct Vent Gas Fireplace Buying Guide and Napoleon vs Majestic Gas Fireplaces.
Warranty
Napoleon backs its fireplaces with the President's Limited Lifetime Warranty. Coverage terms, exclusions and registration requirements are in the warranty section of the installation manual.
Think beyond the appliance
Build your complete setup
Choose the level of help you need. We’ll confirm the exact model, compatible parts and a clear quote before you commit.
The appliance
Know your model and configuration? Shop the appliance and review exactly what is included.
The complete setup
Ask us to pair the appliance with the correct trim, venting, cover, cart or other model-specific accessories.
The installed project
For projects within our service area, ask for a quote covering product selection, compatible components and installation.
These are planning options, not pre-priced bundles. Accessories, delivery and installation are separate unless your written quote includes them.
Buy with the whole project in mind
Make sure this model fits your project
A few details now can help you avoid ordering the wrong size, fuel type or installation components.
1. Confirm fit
Check finished dimensions, opening or cutout measurements and the manufacturer’s required clearances.
2. Match the fuel and connections
Confirm the exact model’s fuel type, electrical requirements and any venting or ventilation requirements.
3. Complete the setup
Check what is included. Ask us to quote compatible accessories, delivery and installation separately where needed.
See the work. Hear from customers.
Explore completed installations and independent Google reviews to learn about working with NYC Fireplaces & Outdoor Kitchens.
Questions to settle before you order
How do I know which size and configuration to order?
Have your dimensions, photos, fuel or power details and preferred model ready. Contact our showroom before ordering if fit or compatibility is unclear. Follow the manufacturer’s installation instructions.
Does the price include everything I need?
Check the product description and selected configuration for included parts. Venting, trim, surrounds, covers, carts, fuel and installation may be separate. Ask for a complete quote before purchasing.
Can you deliver and install it?
Delivery and installation depend on your address and the product. Review our shipping policy and call for an installation quote. Confirm availability and timing before booking work. Read shipping details. Read return terms.
Product, accessory and installation prices are separate unless the offer explicitly includes them. Compatibility must be confirmed for the exact model.
