G4 Gas Fireplace Insert for Energy-Efficient Heating

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Powerful Heating and Bold Design with the Valor G4 Gas Insert

The Valor G4 Gas Insert is designed to fit existing large fireplace openings without sacrificing presence or performance. The result is an impressive flame viewing area highlighted by a proportional surround that complements, not overpowers. This insert is engineered to increase your overall home efficiency while providing ease-of-use heat controls and effective warmth distribution. Ceramic and stainless steel burner kit options are engineered for performance and efficiency. Valor inserts provide peak performance and improved operating efficiencies—saving you energy with AutoFire™.

Experience Lasting Comfort and Style with the Valor G4 Gas Insert

The Valor G4 Gas Insert combines over two decades of design innovation with advanced technology to deliver efficient radiant heat and a stunning flame display. Engineered for homeowners who want both performance and style, the G4 features Valor’s V-Class burner technology, producing a rich, natural flame that enhances any living space. The AutoFire™ system automatically adjusts flame height and airflow for optimal efficiency, while a durable ceramic glass front provides radiant heat and retains warmth effectively. A secondary heat exchanger adds convective warmth without requiring a fan, ensuring steady comfort even during power outages.

Customization is a key advantage of the G4. Homeowners can choose from a variety of log sets including birch, driftwood, and traditional wood, and select from liner options such as reflective glass, fluted black, or red brick to match their interior style. This insert operates exclusively with Direct Vent technology, providing safe and efficient combustion while maintaining high heat output. Control options include the Valor 10 remote, a wall switch, or standard on/off operation, giving complete flexibility to manage flame, heat, and ambiance with ease.

With high efficiency, radiant and convective heat, and a wide range of design options, the Valor G4 Gas Insert is perfect for upgrading an existing fireplace or adding reliable zone heating to your home. Its large viewing area, elegant flame presentation, and versatile customization make it a centerpiece that balances beauty, performance, and comfort in any living space.

Features and Options

  • Fuel Types: Natural Gas (NG) or Propane (LPG)
  • Ignition Type: Intermittent Pilot
  • Viewing Area: 28″ wide × 18″ high (~504 sq. in.)
  • Venting: Direct Vent Only
  • AutoFireâ„¢ System: Automatically adjusts flame and airflow for optimal efficiency
  • Heat Exchanger: Secondary heat exchanger for convective warmth without requiring a fan
  • Log Sets: Birch, Driftwood, Traditional Logs
  • Liner Options: Reflective Glass, Fluted Black, Red Brick
  • Control Options: Valor 10 Remote, Wall Switch (1265WSK), Standard On/Off Operation
  • Safety Features: Barrier Screen Included
  • Efficiency: Up to 70% EnerGuide rating
  • Power Requirements: Operates without electricity

Valor G4 Gas Insert Specifications

Specification Detail
Model 780MN (Natural Gas), 780MP (Propane), 785YN (Natural Gas), 785YP (Propane)
Maximum Input 28,000 BTU/hr (780MN/MP), 28,000 BTU/hr (785YN), 26,000 BTU/hr (785YP)
Minimum Input 14,000 BTU/hr (780MN/MP), 15,000 BTU/hr (785YN), 14,000 BTU/hr (785YP)
Maximum Output 20,933 BTU/hr (780MN/MP), 20,664 BTU/hr (785YN), 19,344 BTU/hr (785YP)
EnerGuide Efficiency 70.00% (780MN/MP), 70.02% (785YN), 70.05% (785YP)
Viewing Area 28″ wide × 18″ high (~504 sq. in.)
Minimum Cavity Dimensions 33 ¼” wide × 23 ¼” high × 15 ½” deep
Venting Type Direct Vent Only
Wall Control 1265WSK (Wall Switch Kit)
Safety Features Barrier Screen Included

For more information or to schedule a consultation, please contact Croft Fireplace. Our team proudly serves homeowners across Davis County, Salt Lake City, Weber, Summit, and Wasatch counties with professional fireplace solutions.

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