Monessen NBST27-F 27″ Natural Blaze Vent Free See-Through log Set and burner



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Monessen NBST27 27″ Natural Blaze Vent Free  See-Through Ceramic Fiber log Set and burner

With the Monessen NBST27-F 27″ Natural Blaze See-Through Log set a Natural Blaze NBST27 27″ burner is included standard for realistic flame viewing from a wide range of angles. For see-thru fireplaces, this log set has a unique design on both sides for a truly authentic stack, no matter how you look at it. With a remarkable 99% efficiency rating, Monessen NBST27 vent free gas log sets maximize heating operation to provide optimum fuel savings. Inspired by nature and hand-painted for incredible realism and lifelike detail, every set has a truly unique and authentic look.

A pioneer in vent free gas log manufacturing, Monessen is always on the cutting edge of log design. We utilize the latest material and technologies to provide authentic detail, lifelike glow, and unmatched realism. Our log sets allow for installation in any existing approved firebox without the need for venting — making them a terrific choice for just about any room in your home.

(Available for natural gas or propane.)


  • Up to 39,000 BTUs
  • Remote Control Ready (Remote sold separately)
  • Instant dancing yellow flames
  • Ceramic fiber reflects more heat
  • Ember bed
  • Grate
  • Piezo igniter
  • Volcanic rock
  • Rock wool
  • Embers

The millivolt control of this burner is the only style designed to be operated with optional devices for ON/OFF functions. The following options may be used with the millivolt controlled burner. These options are not packaged with the log set.

  • RCB Hand-held On/Off with battery receiver and wall cover plates. For millivolt operation only.
  • RCMT Soft touch hand held On/Off with 90 minute count down timer, LCD screen, battery receiver and wall cover plates.For millivolt operation only.
  • RCST Hand-held thermostat, LCD screen, battery receiver and wall cover plate. For millivolt operation only.
  • TSMT Touch screen hand held remote, on/off, 6 hr timer
  • Wall thermostat with 15′ wire
  • Wall switch with 15′ wire

Please check local or state codes to determine if Vent Free Heaters are permitted in your area before you purchase or install these log Sets as a Vent Free Appliance. If not permitted, you may install and operate these log sets as a Vented appliance. 

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Weight15 lbs


Natural Blaze See-Through

Front Width Minimum Firebox Opening:MIL: 32″
Height Minimum Firebox Opening:MIL: 21-1/2″
Depth Minimum Firebox Opening:MIL: 21″
Back Width Minimum Firebox Opening:MIL: N/A
Fuel Type:Natural Gas or Liquid Propane
BTU/hr Input:39,000
Heating Capacity1:Up to 1,400 sq ft
Ignition System:Millivolt


Monessen NBST27_Natural_Blaze_SeeThru


Limited Lifetime Warranty

Our Limited Lifetime Warranty is the strongest and most comprehensive in the industry. It illustrates our commitment to producing the best and most reliable products available—and allows you to own your hearth appliance with confidence. Season after season, year after year.

Monessen will make available replacement parts for parts that are defective according to the following terms.
Logs – A free replacement will be made available at our factory for any logs if they fail due to deterioration within two (2) years of the verified purchase.
Steel Burner – A free replacement will be made available at our factory for the burner if it fails to deterioration within 10 years of the verified purchase date.
All Other Parts – A free replacement will be made available at our factory for any part that is defective within two (2) years of the verified purchase date.


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