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Lopi Radiant Plus™ Large – GSB

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Explore the Radiant Plus™ Large – GSB Gas Fireplace Insert, the ideal solution for anyone seeking a gas insert that combines reliable performance with outstanding features at a reasonable price. This model is equipped with more standard features than any other insert in its class and is designed to deliver year-round comfort tailored to your specific heating needs. Capable of warming living spaces ranging from 500 to 1,650 square feet, the Radiant Plus Large – GSB highlights a unique design that optimizes radiant and natural convection heat. It showcases a massive fire viewing area, the biggest in its class, ensuring a beautiful and expansive view of the flames.

  • GreenSmart® Basic System
  • Heats Up to 1,650 Sq. Ft.
  • Large Viewing Area
  • Maximum BTU/HR Input: 33,000 (NG), 31,000 (LP)


The Radiant Plus™ Large – GSB is a superbly efficient insert known for its large heating capacity and expansive viewing area. This model is perfect for medium to large spaces where robust heating solutions are needed. It delivers up to 87.94% steady-state efficiency on propane, ensuring effective and economical operation. The GreenSmart® Basic technology enhances this model’s ease of use and energy efficiency, making it a smart choice for eco-conscious homeowners.

Key Features:

  • Substantial Heating Performance: Provides powerful heating for spaces up to 1,650 square feet, ideal for larger living areas.
  • Impressive Fire Display: Features a 451.7 square inch viewing area, offering a clear and extensive view of the fire.
  • Energy-Efficient Operation: Achieves high steady-state efficiency, maximizing fuel use while reducing costs.
  • Advanced GreenSmart® Features: Includes innovative technologies for enhanced control, convenience, and energy savings.
  • Sleek Design: Its large glass panel not only enhances the visual impact but also contributes to the efficiency of radiant heating.
  • Customizable Options: Offers a variety of face styles and panel fittings to perfectly match your home’s interior design.

Ideal for those looking for a high-performance, energy-efficient, and visually stunning heating solution, the Radiant Plus™ Large – GSB Gas Fireplace Insert is designed to meet the needs of contemporary homes, providing warmth and style without compromise.

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