Linear High Output Collection Home / Our Specialties / Fireplaces / Gas - Linear / Linear High Output Collection 3615 Viewing Area 34”W x 13”H BTU 33,000 - 18,331 Heating Capacity Burner Diamond-Fyre™ Fuel Type Gas 4415 Viewing Area 42”W x 13”H BTU 42,000 - 21,672 Heating Capacity Burner Diamond-Fyre™ Fuel Type Gas 4415 See-Thru Viewing Area 42”W x 13”H BTU 42,000 - 21,672 Heating Capacity Burner Diamond-Fyre™ Fuel Type Gas 6015 Viewing Area 58”W x 13”H BTU 56,000 - 30,273 Heating Capacity Burner Diamond-Fyre™ Fuel Type Gas Heat Management CoolSmart TV Wall Kit Heat Duct Kit Faces Adjustable Beveled Tile Trim 2" Trim Gallery Ironworks Trim Logs Birch Traditional Driftwood Logs Twigs & Stones Tumbled Stones Liners Black Glass Ledgestone