The 864 HO GSR2 gas fireplace is the ultimate high-performance gas fireplace - combining dynamite flame appearance and the greatest heat output of the entire 864 family of fireplaces. This unit offers the high performance Ember-Fyre burner with the choice of ceramic or metal firebacks. The 864 HO gas fireplace features 864 square inches of high quality, high temperature Neo-Ceramic Glass that comes standard with the 2015 ANSI-compliant invisible safety screen, increasing the overall safety of this unit for you and your family.


Accent lights and a convection fan are more standard features that come with the 864 HO gas fireplace. This unit also offers film-cooling technology that allows for maximum heat output and closer clearances to the mantel.



Heating Capacity Up to 2,500 Sq. Feet
Maximum BTU Input 46,700 BTU's / Hour
Steady State Efficiency (High) * Up to 82.13% (NG), 83.25% (LP)
EnerGuide Efficiency Rating 71.57% (NG), 72.22% (LP)
AFUE 75.6% (NG), 75.7% (LP)
Fan Standard
Glass Area † 34-1/2" W x 22-1/4" H
Venting 45° Top or Rear Vent
Weight 394 Pounds
GreenSmart Remote Standard
Burner System Ember-Fyre™
Comfort Control Standard
* Your results may vary depending on your vent configuration
† Will vary with face design