The Heatilator gas see-through series adds architectural interest to every home, offering dramatic viewing of the fire from two separate rooms. The design possibilities for dividing a space is made easy.

  • Add architectural interest to your space with a 31" or 36" viewing area
  • One fireplace creates ambiance in two rooms
  • Design each side differently by choosing from two fronts and finishes
  • Customize the interior with optional traditional refractory or black glass liner
  • Transform to a contemporary fireplace design with an optional conversion kit
  • IntelliFire Touch control system provides total control that is simple, smart, safe

For Small and Medium rooms

Available Sizes: 31", 36"

Recommended Size(s) for Small rooms: 31"

Recommended Size(s) for Medium rooms: 36"

Model Specifications

GDST3831I 31" See-Through Gas Fireplace - DV

Appliance Width:37-5/8"
Appliance Height:34-1/2"
Appliance Depth:16"
Framing Height:34-3/4"
Framing Depth:15"
Framing Front Width:38-1/8"
BTU/hr Input:21,000
Viewing Area:27-3/16 x 18-1/16"

GDST4336 See-Through 36 w/ IFT

Appliance Width:42-1/2"
Appliance Height:38"
Appliance Depth:24"
Framing Height:38-3/4"
Framing Depth:23"
Framing Front Width:43"
BTU/hr Input:38,000
Viewing Area:33 x 21-5/8"


GDST3831I 31" See-Through Gas Fireplace - DV

Steady State:74.0%
Canada EnerGuide:51.0%

GDST4336 See-Through 36 w/ IFT

Steady State:72.0%
Canada EnerGuide:59.0%

Appliance Depth includes entire unit including depth of firebox and extension onto hearth.

BTU: 1st hour output uses high burn efficiency number. BTU will vary depending on the type of fuel used and moisture content of the fuel.

This is a general guide, see your local dealer for help in determining the product that best suits your heating needs based on climate, home efficiency, location of the heater, and air movement in the room.

Actual burn times will vary based on how the appliance is operated, load size, moisture content and type of wood used.

Fuel density and pellet shape will affect hopper capacity.

Weighted Average LHV (Low Heating Value) efficiency.

Heat output will vary depending on the type of fuel used. The flame and ember appearance may vary based on the type of fuel burned and the venting configuration used. Actual product appearance, including flame may differ from image shown. Refer to the owner's manual for complete clearance requirements and specifications. Product specifications and pricing subject to change without notice. For testing and listing information please refer to the owner's/installation manual.

*For select products: Heating capacity to be used as a guide only. See your local dealer for help in determining the product that best suits your heating needs based on climate and home efficiency.

Dimensions in inches. Refer to installation/owner's manual for detailed specifications on installing this product. Hearth & Home Technologies reserves the right to update units periodically. Product installation must adhere strictly to instructions shipped with product.