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Mendota D-30 Series Gas Fireplace Inserts

Johnson Gas Seabrood D-40 Gas Fireplace Insert Image

Standard Equipment:  Log set, log rack, coal bed, D-40 3-level burner, 2 blowers with rheostat, neo-ceram glass, and firebrick. 
Insert also available in the larger D-40.

The D-30 gas fireplace insert is one of the larges inserts on the market. It's designed to fit easily into large, traditional fireplaces.

The D-30 has all the warmth and magical beauty of a wood fire plus the important added advantages of operating with clean, convenient gas and providing the heat and high efficiencies of a certified wall furnace.

The D-30 features the new 3-level "Deep Timber" log fire system. This high tech system has an amazing heat output and the most realistic glowing log fire on the market.

  • Certified ANSI/AGA/CGA Gas Room Heaters
  • Built by Johnson, a company with over 100 years experience in gas engineering
  • 82% efficient
  • Dramatic one piece glass bay window
  • Operates in power failure
  • Limited lifetime warranty


  • Black, black onyx, vintage iron, cast, copper, nickel, silver, brass, and 24K gold fronts.
  • Wall switch
  • Remote control and thermostat
  • rectangular or arched surround with brass or black trim
  • Custom surrounds available upon request

Face Options
Andover Collection
Bentley Collection

  • BTUH:
    D-30: Hi: 30,000 Low: 19,00
  • Efficiency: 86.4% Exceeds AFUE requirements
  • Flue Diameter: 4" x 4" or 4" x 6"
  • Venting: Co-axial or Co-Linear venting. Natural vent (B-Vent)
  • Gas Supply: Natural or Propane
  • Pilot System: Piezo Spark
  • Safety Controls: AGA/ANSI Certified
  • Safety Tested: Warnock Hersey to AGA/ANSI Standard
  • Shipping Weight: 175 lbs.

Direct Vent Technology
Seabrook D-40 Specifications

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Need more information? Call us at 303 838-3612, 303 838-3615 or Click here to e-mail us
Inglenook Energy Center does not sell, service or ship stoves outside of Colorado. Nor can we answer email from outside Colorado. Please visit the manufacture's web site to locate a dealer in your area.

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