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Emerson 48ST Gas Fireplace

  • Borosilicate glass
  • Just 9” deep
  • No fan
  • 2 safety screens
  • Flush Clean face design
  • 26,000 BTU
  • Electronic Ignition
  • 7-day programmable thermostat deluxe remote
  • 7 stage modulating valve (flame control)
  • Linear style burner
  • NG or LP
  • Top vent only
  • 2 non-combustible boards
  • Steel header
  • Black reflective fire glass media
  • The dual stainless steel pan burner

Emerson 48ST Gas Fireplace


The Sierra Flame Emerson 48ST – See-Thru Direct Vent 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, with black fire glass media and deluxe remote control.

A new vertical installation adapter kit is available for through the roof applications.

Note: The unit does not come with a fan.

EMERSON 48ST Comes with black reflexive glass media

  • Natural Gas
  • Liquid Propane


  • EMERSON-48-DELUXE-NG – 48″ Natural Gas Slim See-thru Linear
  • EMERSON-48-DELUXE-LP – 48″ Liquid Propane Slim See-thru Linear


13” H x 41” W

model description
EMERTTK46 Fire stop/wall thimble & horizontal term kit
COAXIAL DV FLEX VENT PACKAGE – Manufacturer Termination Not Included
model description
SF94206410 4” X 6” Coaxial Flex, 10’ Length, Emerson Horizontal Termination Not Included

Order EMERTTK46 Horizontal Termination W/Fireplace
Includes: Coaxial Flex Length, Sealant, Screw package, Spacer springs
NOTE: Emerson vertical hard pipe installation requires a piece of 4″ & 6″ flex EMMERTTK-ADP DURA-FLEX 

part number description
EMERTTRK-ADP Through the roof adaptor kit – Includes 2 adaptors 4″ flex to 6″ hard & 6″ flex to 6-5/8″ hard
part number description
DURA-FLEX Galvanized adapter to go from flex to hard pipe
part number description
SF942064C 4″ x 6″ Flex extension coupler kit 1-3″ and 1-6″


Manufacturer's Documentation

Gas Fireplaces Documentation

Warning WARNING:
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

DISCLAIMER: BLUE FLAMES: Blue flame lights will no longer be available on units built after July 01, 2021. The blue light has been replaced with a bright yellow, orange and red light combination to offer you a more realistic flame effect. We reserve the right to modify and upgrade our product at any time without prior notice.

DISCLAIMER: Flames and flame colors on the website may appear differently in real life. To view the most accurate representation of 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.