Sierra Flame - Lyon – 48" Wide - 4 Sided See Through Gas Fireplace

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Sierra Flame - Lyon – 48" Wide - 4 Sided See Through Gas Fireplace

Sierra Flame Lyon – 4 Sided See Through Gas Fireplace – Full 360° View

The Lyon 48” brings the-see thru linear gas fireplace a wonderful new look! Lyon gives you no screens, safe to touch glass, and an incredibly mesmerizing flame, you will love the Lyon.

You can connect any room in your house with this fireplace, creating a flow in your home from setting to setting.


  • Double Glass & Screen Free     
  • All Wood Framing
  • 4 Sided See Through Unit – Full 360° View     
  • No Concrete Board Required
  • Available Size – 48”     
  • Able to Finish with Combustible Around the Fireplace
  • Up to 32,500 BTU on high & 21,000 BTU on low   
The Technology
  • All Contained within the fireplace
  • No Gaps
  • No Louvres
  • No Heat Dump
  • Wood and Drywall – Combustibles Okay
  • Quick and Simple Installation.  – No technician required for cleaning inside the glass

No Gap
With a lot of fireplaces, they need to create an escape for the heat to vent out. To do this they leave a gap at the top of the fireplace wall to create a crown to hide the opening. A gap is not necessary.

No Intake or Exhaust Louvres
Your wall will not have any intake or exhaust louvres to break up the look.

No Heat Dump
There are no vents required behind the wall of the fireplace to dump the built up heat.

Combustibles Okay
Everything is contained within the firebox. Able to finish with combustibles around the fireplace. No special concrete board or metal studs

Glass Viewing Area:
Lyon 48 NG – 15.34” H x 45.16” W

Side View Area Dimensions:
Lyon 48 NG – 15.34” H x 13.40” W

Optional Accessories

Gen Term Kit – Termination Kit -5″ & 8″ Venting
TTRK 5&8 – Duravent 5 PC Through the Roof Kit
TTRK 5&8-S – Duravent 5 PC Through the Roof Kit -Steep


Model BTU’s Vent Height Width Depth Vewing Area Side Vew Area
  Natural Gas Propane   Actual Framing Actual Framing Actual Framing Height Width Height Width
Lyon 48″ Hi 32,500 N/A Top 34.61” 38.52” 49.39” 51.24” 22.79” 23.5” 15.34” 45.16” 15.34″ 13.40″
  Hi 21,000 N/A 5” & 8” 15.53″ 39.17″ Single Side View


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