Napoleon Roxbury 3600 Gas Fireplace Insert GI3600-4NSB



Here's the secret to a warmer, cozier home! Retrofit your drafty old fireplace with this beautiful Napoleon® gas insert. The Roxbury™ 3600 is specially designed to fit smaller wood burning, zero clearance fireplaces and comes complete with a heat-activated variable speed blower system. Create the exact designer touch you have been looking for with optional choices including faceplates, flashing kits, and cast iron surrounds in various styles and finishes. 


 Advanced Burner Technology

Advanced Burner Technology

Napoleon’s sophisticated burner system offers superior flame technology. Strategically placed burner ports create the most realistic YELLOW DANCING FLAMES® in the industry

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Zone Heating means you are heating the rooms that you use the most with an alternate heat source, like a Napoleon® heater rated gas fireplace. Zone Heating is the obvious solution for families concerned about rising fuel costs.

 Safety Screen

Safety Screen

Napoleon, leaders in design & technology have developed safety screens with aesthetically pleasing designs for every gas appliance to ensure ultimate safety and peace of mind for your family.

 Finely Tuned Precision Valves

Finely Tuned Precision Valves

Surrounded with a protective cast aluminum jacket, the precision valves allow for ultimate reliability and 100% SAFE GUARD™ gas control system.

Additional Features:

  • Up to 24,000 BTU's
  • President’s Limited Lifetime Warranty
  • Clear, unobstructed view of the fire through heat resistant ceramic glass
  • Standard heat activated blower with rheostat offers increased heating efficiency
  • Piezo Ignitor
  • Safety spill switch with automatic reset is standard for your peace of mind
  • Stainless Steel, Precisely Engineered Dual Level Burner
  • 50% flame/heat adjustment for maximum comfort and efficiency
  • Napoleon’s light weight, exclusive PHAZER® log set offers you a magnificent all natural, wood burning look and unique glowing effect
  • Safety Screen Included
  • 76% steady state maximum efficiency
  • Back-up control system ensures reliable use, even during power failures
  • Outside combustion air damper control
  • Concealed easy to use controls for trouble free performance


  • Multiple Faceplate Choices in Brushed Copper, Brushed Nickel, or Black Finish
  • Multiple Options for Flashing
  • Optional Arched Cast Iron Surround
  • Optional Decorative Cast Iron Surround in Black or Porcelain Enamel Majolica Brown
  • Optional MIRRO-FLAME™ Porcelain Reflective Radiant Panels or Decorative Sandstone Brick Panels
  • Optional Black Andirons in Traditional Design
  • Optional Conversion Kit for Converting Natural Gas to Propane
  • Optional On/Off Remote Control with or without Thermostat



Series: Roxbury
Type: Inserts
Fuel Type: Natural Gas
Optional Conversion Kit Available: Yes
Mount Type: Built In
Vent Type: Natural Vent
Vent Location: Top Vent
Style: Contemporary
Lighting: No
Maximum Heating Output: 24000 BTU
See Through: No
Remote Control: Optional
Dimensions (w/o Flashing/Surround)
Width: 25"
Depth: 17.5"
Height: 17.25"
Minimum Fireplace Opening
Width: 25.5"
Depth: 16.5"
Height: 17.5"



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** recommends that all products are installed by a licensed installer. Please review all model manuals and installation guide to insure products are installed correctly. is not responsible for any errors in installation or incorrectly purchased products to be used for installation. Manufacturer's guides should always be used to verify required materials and products prior to installation.**