Description
The INS Radiant Plus Medium GSB2 is a high-performance gas fireplace insert designed to provide warmth, style, and efficiency for spaces up to 1,500 square feet. Featuring 37,500 BTUs and advanced Mod-Fyre™ burner technology, this unit delivers consistent, radiant heat while maintaining clean operation. With dual 90 CFM fans, Comfort Control, and under-lit accent lighting, the GSB2 combines functionality and elegance for any home or office.
Key Features
- 37,500 BTU heating capacity with 3″ intake and 3″ exhaust
- Includes Mod-Fyre™ burner and upgraded IPI/CPI ignition system
- Battery backup and GreenSmart™ 2 remote for reliable operation
- Top accent light and under-lit accent lighting for ambiance
- Comfort Control and twin 90 CFM fans for efficient heat distribution
- Ceramic glass viewing area of 23″ W x 16″ H
- LP burner orifices included for flexible fuel use
Dimensions
- Height: 19-1/2 inches
- Front Width: 29-1/2 inches
- Back Width: 21 inches
- Depth: 15-1/2 inches
- Glass Viewing Area: 368 sq. in.
Material & Finish
- High-quality steel construction for durability
- Ceramic glass panel for heat-resistant viewing
- Modern, sleek finish suitable for any interior
What’s Included
- INS Radiant Plus Medium GSB2 fireplace insert
- Mod-Fyre™ burner
- Upgraded IPI/CPI system
- Battery backup system
- GreenSmart™ 2 remote control
- Twin 90 CFM fans and lighting features
How to Use
- Install required face, fireback, panel, and media for complete operation
- Connect gas supply (NG or LP) per manufacturer instructions
- Use Comfort Control or GreenSmart™ 2 remote to adjust temperature and fan speed
- Monitor flame and heat output via ceramic glass viewing area
- Maintain unit by cleaning glass and checking burner and fan components periodically
Specifications
- Heating Capacity: Up to 1,500 sq. ft.
- Maximum BTU Input: 31,000 (NG/LP)
- Minimum BTU Input: 9,900 (NG), 7,500 (LP)
- Steady State Efficiency: Up to 85.55% (NG), 86.50% (LP)
- P4 Canadian Efficiency: 73.77% (NG), 74.73% (LP)
- Dimensions: 19-1/2” H x 29-1/2” W (Front) x 21” W (Back) x 15-1/2” D
- Glass Viewing Area: 23” W x 16” H, 368 sq. in.
Why Choose This Product
- Delivers consistent, radiant heat with advanced Mod-Fyre™ technology
- Energy-efficient operation with high steady-state and Canadian P4 efficiency ratings
- Stylish and functional design enhances any room
- Dual fans and Comfort Control provide even heat distribution
- GreenSmart™ 2 remote adds convenience and easy temperature management


