Napoleon GI3600-4NSB Vented Gas Fireplace Insert

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Here's the secret to a warmer, cozier home! Replace your drafty old fireplace with this beautiful Napoleon insert. The GI3600 Gas Fireplace Insert is especially designed to fit smaller wood burning, zero clearance fireplaces. Create the exact designer touch with optional choices including bay fronts, flashing kits and cast iron surrounds in various finishes.


  • Large viewing area through an elegantly arched cast iron door
  • 76% steady state maximum efficiency and up to 24,000 BTU's
  • No electricity required to light or operate
  • Stainless steel, precisely engineered dual level burner
  • 50% flame/heat adjustment for maximum comfort and efficiency
  • Outside combustion air damper control
  • Clear, unobstructed view of the fire through heat resistant ceramic glass 11 3/4 X 29 3/4
  • Concealed easy to use controls for trouble free performance
  • Safety spill switch with automatic reset is standard for your peace of mind
  • Napoleon's light weight, exclusive PHAZER log set offers you a magnificent all natural, wood burning look and unique glowing effect
  • Standard heat activated blower with rheostat offers increased heating efficiency
  • President's Limited Lifetime Warranty


  • Fuel: Natural Gas or Propane
  • BTU Output: 16,000 – 24,000
  • Steady State: 76%
  • Venting: Natural
  • Blower kit: Included

Specifications PDF's:


Additional Information

  • Easily installs into a wood burning, masonry fireplace; a wood burning, zero
    clearance prefabricated fireplace
  • Specially designed to fit smaller wood burning fireplaces
  • Detachable rear draft/dilution hood for easy installation in tight quarters
  • Model GI3600 is also approved with 3″ aluminum liner to allow for cost
    efficient installations without removing existing fireplace damper
  • Approved for use with millivolt automatic thermostat
  • Approved for bedroom installations
  • No hearth required
  • Approved with 3″ and 4″ aluminum liner

Tested to ANSI

Z21.50 and CSA
2.22 for vented gas fireplace heaters


Options & Accessories

Flashing with Black Trim Available in 5″ and 9″
Painted Black, Brushed Stainless Steel Polished Brass
and Antique Brass Finishes
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Antique Brass, Polished Brass,
24 Karat Gold Plated, Brushed
Stainless Steel and Painted
Black Finishes

Cast Iron Surrounds
Painted Black and Porcelain
Enamel Majolica Brown Finishes

24 Karat Gold & Painted Black Finishes

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Bevelled Flashing and Black Trim

Arched Cast Iron Surround

and Door Kit

Bay Front Kit
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Sandstone Brick Panels
Porcelain Reflective Radiant Panels
 F45 & F60 Remote Controls
 Adjusts Heat and On/Off


Each and every Napoleon® gas fireplace insert is designed and manufactured to strict quality testing standards and backed by the President’s Limited Lifetime Warranty, guaranteed to give you the solid performance you deserve. Napoleon® is registered under the world recognized ISO 9001-2008 quality systems.