Monessen 18" Natural Blaze Burner NB18

Monessen SKU: NB18NV
Monessen 18" Natural Blaze Burner NB18 - Flame Authority
Monessen 18" Natural Blaze Burner NB18 - Flame Authority

Monessen 18" Natural Blaze Burner NB18

Monessen SKU: NB18NV
Ignition Type
Gas Type
Regular price $1,240.65 Sale price $919.00 Save 26%
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Monessen 18" Natural Blaze Burner NB18 Review

Searching for a burner that gives an elegant design to your space? The Monessen 18" Natural Blaze Burner NB18 is what you're searching for!


Monessen Trusted Dealer - Flame Authority


* Ready to Ship * Proudly Made in the USA * Fastest Delivery *

Monessen Natural Blaze burner enjoys dancing, realistic flames, this innovative burn system provides taller, more lively flames, creating a realistic, moving fire. Achieving beautiful yellow flames instantly, Natural Blaze technology produces an authentic fire.

Natural Blaze burners are available in 18" and 24" sizes, these burners come in both natural and propane gas formats and feature a cast iron grate, volcanic rock, rock wool, on/off switch, manual variable flame height control, and are remote ready.

Monessen Natural Blaze burner gives your gas log set the foremost realistic fire. This burner system includes an Oxygen Depletion System to quickly shut off the gas if room oxygen levels drop to unsafe levels. It's to be used during a vent-free firebox.

Note: 18" Beachcomber Gas Log Set, 18" Berkley Ceramic and Refractory Gas Log Set, 18" Highland Oak Gas Log Set, and 18" Stony Creek Gas Log Set are Required to Complete.


  • EXCLUSIVE Natural Blaze Technology
  • Available with the IntelliFire Plus® system or millivolt control
  • Cast iron grate standard with burner
  • Volcanic rock, rock wool embers, and ember bed log switch
  • Instant dancing yellow flames
  • Millivolt control or IntelliFire Plus with ODS IPI control
  • RC300 Remote Control Standard with IPI
  • Log switch

 Do you like this gas log set but want to check your options? Look at Monessen Gas Logs & Log Sets now!

 Purchase the Monessen 18" Natural Blaze Burner NB18 today and enjoy its elegant dancing realistic flames! Buy yours NOW!



Need assistance? Talk to an Expert at +1-800-923-4556 or email: to get the best-suited Gas Burner for your needs.


  • 18" Natural blaze burner system
  • Millivolt and Intellifire Plus Ignition
  • Natural Gas or Propane Gas
  • Dual rated for vent free and vented applications
  • Vented applications require the purchase of a damper clamp
  • Ember bed log switch
  • Remote ready
  • 19,000 - 28,000 BTU/HR (Nat) (Millivolt)
  • 22,000 - 27,000 BTU/HR (LP) (Millivolt)
  • 19,000 - 28,000 BTU/HR (NAT) (Intellifire Plus)
  • 22,000 - 27,000 BTU/HR (LP) (Intellifire Plus)

Options and Accessories:

Beachcomber Gas Log Set - BC18-R

  • The Beachcomber log set from Monessen adds warmth with a graceful twist. Bring the tranquility of the coast into your home. Serene colors, rich detail and an authentic stack make the Beachcomber logs an elegant complement to today’s home.

Beachcomber Gas Log Set - Flame Authority


Berkley Oak Ceramic Fiber Gas Log Set - BO18-F

  • These dual-rated, Berkley Oak, gas log sets can be installed in a vented or vent-free setting. These 7-piece ceramic fiber log sets provide radiant heat and an attractive focal point.

Berkley Oak Ceramic Fiber - BO18-F - Flame Authority


Berkley Oak Refractory Gas Log Set -  BO18-R

  • The Natural Blaze burner with vent-free gas logs from Monessen offers the realistic look of a wood fire but without the trouble.


Berkley Oak Refractory Gas Log Set -  BO18-R - Flame Authority


Highland Oak Gas Log Set - HO18-R

  • Its compatible Natural Blaze burner produces dancing yellow flames for an authentic fire-viewing experience.

Highland Oak Gas Log Set - HO18-R - Flame Authority

Stony Creek Gas Log Set - SC18-R

  • Dual-rated Stony Creek gas log sets feature the Natural Blaze burner for true-to-life flame viewing.

Stony Creek Gas Log Set - SC18-R - Flame Authority

Damper Clamps, Carton of 6.* (Required for Vented Installations) - C-CLAMP

  • The C-CLAMP Damper Clamp permits the operation of Manual and Millivolt controlled gas logs to be installed as a vented decorative log set by keeping the flue open in the least times allowing the exhaust gases to flee from your fireplace.

Damper Clamps - Carton of 6 (Required for Vented Installations) - C-CLAMP - Flame Authority


Flat Black Adjustable Canopy - CABL

  • A great deflect heat of your fireplace Monessen flat black adjustable fireplace hood. If the underside of your mantel is getting too hot, the hood perfect accessory for you. Adjusts from 28" – 48" to best cover your fireplace. For use with masonry fireplace installations.

Flat Black Adjustable Canopy - Flame Authority


Volcanic Rock - Carton of 12 - 2 lb. Bags - VR1000A

  • Designed to be used with Monessen Vent-Free Fireplace Inserts and Vent-Free Fireplaces. Volcanic Rock, Carton of 12-2 lb. Bags. Volcanic rock brings a weathered, organic look to your fireplace. Spread around the floor of your fireplace and ahead of your gas log set for added beauty.
  • Two-pound bag of volcanic rock
  • Works with Monessen fireplaces
  • Adds a more realistic look to the fireside
  • Must be purchased separately from fireplace and field installed

Volcanic Rock - Carton of 12 - 2 lb. Bags - VR1000A - Flame Authority


Flickering Embers - NE1G

  • Are you looking to require your fireplace insert to the next level? Let Monessen assist you with the Monessen Flickering Embers you'll get the design and feel of real embers without fear about your home, pets, or guests. These embers are made specifically with Monessen fireplace inserts in mind and fit perfectly with the Natural Blaze Burners. We might not have an additional life to offer you, but we will definitely give your fireplace insert an additional life with the assistance of Monessen.
  • Color: Assorted
  • Gives off the look and feel of real embers
  • Made specifically for vent-free Monessen brand fireplace inserts

Remote Controls 

  • Remote controls are available in simple on/off and thermostat models. Thermostat remote systems allow you to control your desired room temperature. All remotes include safety features like child lockout mode and safety shutdown.

Remote Controls - flame Authority

Remote Receiver Cover - RRCM

  • Conveniently conceal your remote receiver.

Remote Receiver Cover - RRCM - Flame Authority


Call (800) 923-4556 or CHAT with us to lock in the LOWEST ONLINE PRICE and receive additional Exclusive Offers on Already Discounted Products

Flame Authority is an authorized dealer for every brand we sell which means you qualify for the full manufacturer warranty with every purchase.

We value your time and money. Our Customer care are always available to help you with your concerns.

We ship directly to your door from the manufacturer's warehouse.

Every product is thoroughly inspected for quality assurance and packaged with the utmost care to ensure it arrives in perfect working condition. We ship with only the best carriers including UPS, FedEx, USPS, and trusted freight companies to get your product to you in the fastest time possible.

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What if I find a lower price than at your store?

  • We put forth a lot of effort to ensure that we have the absolute best prices online. We work with our suppliers to ensure that they set minimum advertised pricing guidelines for all of our competitors. This means that everyone else selling the same product online is supposed to be selling it at the same price. If you find another online store that offers a lower price than us within 30 days of your purchase date, please let us know, and we will contact the brand to ensure they are not breaking the minimum advertised price policy. If you qualify for a refund, you will be refunded the difference in price to your credit card.

What are the limitations of your 100% Price Guarantee?

  • You must purchase the item from our website before requesting your Price Match Guarantee
  • Promotions such as rebates and "buy one, get one free" offers are not eligible
  • The item must be in stock on the competitor's website
  • The competitor must be an online store; they may not have a retail location
  • The website cannot be a discounter or auction website (i.e., eBay, Overstock, Walmart, Amazon, etc..)
  • The competitor must be an Authorized Retailer of the product in question
  • The Price Match Guarantee includes the item price and the shipping charges; it excludes sales tax

Is there any Special Discounts for HVAC, Contractors, Designers at Flame Authority?

  • Without a doubt! You deserve to acquire the products you want at a discounted price, therefore please do not hesitate to contact us.
Best deals at the lowest price - Flame Authority

Limited Lifetime Warranty Policy


The following components are warranted for life to the original owner, subject of proof of purchase: Firebox, Combustion Chamber, Heat Exchanger, Grate, and Stainless Steel Burners.


The following components are warranted for 5 years to the original owner, subject of proof of purchase: Vent Free Ceramic Fiber Logs and Aluminized Burners.


Monessen warrants the components and materials in your gas appliance to be free from manufacturing and material defects for a period of two years from date of installation. After installation, if any of the components manufactured by Monessen in the appliance are found to be defective in materials or workmanship, Monessen will, at its option, replace or repair the defective components at no charge to the original owner. Monessen will also pay for reasonable labor costs incurred in replacing or repairing such components for a period of two years from the date of installation. Any products presented for warranty repair must be accompanied by a dated proof of purchase.

This Limited Lifetime Warranty will be void if the appliance is not installed by a qualified installer in accordance with the installation instructions. The Limited Lifetime Warranty will also be void if the appliance is not operated and maintained according to the operating instructions supplied with the appliance, and does not extend to (1) firebox/burner assembly damage by accident, neglect, misuse, abuse, alteration, negligence of others, including the installation thereof by unqualified installers, (2) the costs of removal, reinstallation or transportation of defective parts on the appliance, or (3) incidental or consequential damage. All service work must be performed by an authorized service representative.

This warranty is expressly in lieu of other warranties, express or implied, including the warranty of merchantability of fitness for purpose and of all other obligations or liabilities. Monessen does not assume for it any other obligations or liability in connection with the sale or use of the appliance. In states that do not allow limitations on how long an implied warranty lasts, or do not allow exclusion of indirect damage, those limitations of exclusions may not apply to you. You may also have additional rights not covered in this Limited Lifetime Warranty.

Monessen reserves the right to investigate any and all claims against the Limited Lifetime Warranty and decide upon method of settlement.


  1. Contact your supplier. Make sure you have your warranty, your sales receipt and the model/serial number of your Monessen product.

We are an authorized dealer for every brand we sell!

Our SATISFACTION GUARANTEE and LOWEST PRICE GUARANTEE let you rest easy knowing you'll be taken care of, no matter what happens.

why buy from us

By buying from us you qualify for the full manufacturer warranty, save time and money! We ship directly to your door from the manufacturer's warehouse. Every product is checked for quality assurance and packaged with the utmost care to ensure it arrives in perfect working condition. We ship with only the best carriers including UPS, FedEx, USPS, and trusted freight companies to get your product to you in the fastest time possible. We even offer discounts with most orders just to make your day a little better.

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