Sierra Flame Emerson 48ST Direct Vent Linear Gas Fireplace


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The Emerson 48ST – Direct Vent Linear Gas Fireplace

  48″ Slim See-thru Linear Gas Fireplace The Emerson 48ST  is a slim 48″ wide See-Thru gas fireplace that is just 9″ deep. Featuring a robust flame and a significant heat output at 26,000 BTU’s, the Emerson is a lovely addition to any space. It comes standard in the Deluxe version, and with black fire glass media and deluxe remote control. New vertical installation adapter kit is available for through the roof applications. Note: unit does not come with a fan.      

  • 65.8 % Natural Gas efficiency
  • 26,000 BTU
  • Top 4" / 6" Venting
  • Framing Dimensions 51 3/4" W x 56" H x 8 3/4" D




  • Just 9" deep
  • No fan
  • 2 safety barriers included
  • Flush Clean face design
  • Electronic ignition
  • Boroscilicate glass
  • 7 day programmable thermostat deluxe remote
  • 7 stage modulating valve (flame control)
  • Linear style dual stainless steel pan burner
  • Top vent only
  • Ceramic glass
  • 2 non combustible boards 
  • Steel header
  • Black reflective fire glass media

Optional – 6 Piece Design Media Kit

Deluxe 6 piece log set with designer decorative media including black fire glass, 90 piece pebbles, rocks, embers. 6 piece decorative media kit

Included Accessories

Fuel Options

  • Natural Gas
  • Liquid Propane

Glass Viewing Area

  • 13” H x 41” W


Gas Specifications

Framing DimensionsViewing AreaBTUs (NG)AFUE / P.4
(NG Efficiency)
51-3/4” W x 56” H x 8-3/4” D
13” H x 41” W
26,000 16,500 65.8 %
150 lbs


Ceiling /
Mantle Height
4” flex vent on exhaust side
6” flex vent on the air intake side
Please refer to manual pages 16 & 17

**Venting – Any certified 2 ply flex piping can be used. Certified on Duravent, Selkirk, Metal Fab, ICC


The Emerson gas fireplace specifications


Tech Specs
Log Placement Guide



Flames and flame colors on the website may appear differently in real life. To view the most accurate representation of the FIRE & ICE® flame and our regular flame sets, please visit your nearest dealer.

We reserve the right to update products, specifications and dimensions are subject to change. Please refer to the product manual to verify measurements and clearance requirements. All local building codes must be followed.

Warning WARNING:

California Proposition 65

This product can expose you to chemicals including lead, that is found in some copper fittings, which is [are] know to the State of California to cause birth defects or other reproductive harm. For more information, visit

More on California Proposition 65 – CLICK HERE