Defiant® FlexBurn™ Wood Burning Stove

Defiant FlexBurn Wood Burning Stove by VERMONT CASTINGS

Model Details

Defiant FlexBurn Wood Burning Stove Combustion System

VERMONT CASTINGS EXCLUSIVE! More flexibility with two ways to heat —Converts from catalytic to non-catalytic operation in less than one minute!
Eco-Friendly Design
Made green — Our stoves are made from 100% recycled materials and production processes use renewable energy.
High Efficiency Operation
Save money while heating your home — More heat from less wood means savings of up to $300 or more during an average New England winter and up to $1,400 in fuel costs.* *When used in catalytic mode over 5 years.
Top Load Design
Enjoy longer burn times — Fills to nearly 100% of its capacity so you don’t have to load as often.
Easy Maintenance
VERMONT CASTINGS EXCLUSIVE! Easy to clean and maintain — Easy access to the catalyst and combustion chamber without the use of any tools.
Thermostatic Air Control
VERMONT CASTINGS EXCLUSIVE! in Non-Catalytic Mode — Your stove won’t overwork and you’ll enjoy longer, more even burn temperatures in catalytic and (for the first time) in non-catalytic mode!
Limited Lifetime Warranty
Guaranteed to last — Vermont Castings boasts the most comprehensive warranty in the industry with a Limited Lifetime Warranty on all castings, combustion systems and door glass.
Hand-Crafted Details
The traditional beauty of hand-crafted cast iron is our passion. We’re committed to delivering a beautiful product that you can proudly showcase in your home.

Quick Look

  • Heating Capacity: Up to 2,400 sq. ft.
  • Max BTUs/hr: 75,000
  • Burn Time: 14 hrs
  • Log Size: 24″
  • Ash Pan: Side–swing
  • Efficiency: 84% at 1.1 g/hr (Catalytic) 76% at 2.3 g/hr (Non–Catalytic)

Also available in a smaller size.See Encore® FlexBurn™

Guides & Literature


Finishing Options

  •  Warming Shelves 0000210 (Classic Black), 0000211 (Biscuit), 0000217 (Majolica Brown), 0000218 (Bordeaux)Warming Shelves with mitten racks come in handy on cold winter days.
  •  Heat Shield 3190 Clearance-reducing Rear Heat Shield allows for more flexible installation options.
  •  Spark Screen 1907 Spark screen for open-door fire viewing lets you sit back and enjoy the beautiful flames.
  •  Enamel Pipe Matching enamel pipe comes in four standard colors.
  •  Outside Air Adaptor 3180 Allows your stove to draw air in from outside the house. Beneficial for newer, more heavily insulated homes and required in mobile home installations.
  •  Outside Air Termination Kit 3265 A termination specifically designed for use with the outside air kit.
  •  Variable Speed Heat Activated Fan Kit FK26 Beneficial for moving more heated air through the room, particularly in large spaces.
  • Gloves 112Made from durable leather, these gloves are so popular at our foundry, we’ve now made them available to you. Perfect for loading the stove when it’s already fired up and burning.
  • Cast Iron Stove-Top Steamer 0000775 (Biscuit), 0000791 (Majolica Brown), 0000784 (Ebony Black), 0000793 (Bordeaux)Available in all our enamel colors, these beautifully cast ornate steamers are designed to return humidity to the room air, creating a more comfortable atmosphere.
  • Cast Iron Wood Box 930 With fine cast lattice work and ample capacity, it’s the perfect way to store all the wood you need to keep your home warm and toasty.
  • Cast Iron Trivet 94 Depicting a traditional Vermont Castings foundry scene, this beautifully cast trivet is ideal as a cooking stand or to add visual interest to your stove installation. Cast in Vermont at our own foundry, this trivet features the same fine craftsmanship as our legendary stoves.
  • Thermometer 574 This surface-mount magnetic thermometer is designed to work with all of our stoves. It allows you to make the correct air-intake settings and will tell you when it is time to reload the stove or shut the damper.
  • Child-Guard Screen 975 Large enough to surround all Vermont Castings stoves, this portable safety screen allows you to have peace of mind that young children will not stray too near the stove.

Defiant® FlexBurn™ Model Line-Up

Model Number 1975 1976 1977 1979
Color/Finish Classic Black Biscuit Majolica Brown Bordeaux
  • 32-3/8″ (W)
  • 28-7/8″ (H)
  • 19″ (D)
Heating Capacity Up to 2,400 sq. ft.
Max BTU/H (Wood) 75,000
Burn Time 14 hours
Log Size 24″
Efficiency 84% / 76% at 1.1 g/hr / 2.3 g/hr
Firebox Size 3.2 cu. ft. (75 lb. capacity)
Termination Convertible
Certifications UL / ULC

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We take great pride in our friendly service and professional installation to maintain our standards as an accredited business with Better Business Bureau. Nevertheless the fact that we are rated A+ for our professionalism, but with a proven record of over a decade in fireplace installation, you can be sure you are in good hands.