SP Series Home / Our Specialties / Fireplaces / Gas - Traditional / SP Series SP 41 Viewing Area 34-3/8”W x 24-1/8”H BTU 28,000 - 14,000 Heating Capacity Fuel Type Gas SP 34 Viewing Area 28”W x 20-1/2”H BTU 20,500 - 14,000 Heating Capacity Fuel Type Gas Faces Prairie Black Full Rectangle Arched Prairie Front Black Glass Liner