Our Grand Canyon 3 burner system is ANSI certified and CGA certified for high altitude use. The burner construction features a 304 stainless steel chassis and have the ability for gas to flow in from either the left or right side. Removable standoffs located on the back of the burners. This feature allows you to give more height to your fireplace. This Product also features Millivolt Quick Mount Kit that operates with a standing pilot for ease of ignition. This sleek valve and heat shield design nestles conveniently next to the Burner system. Our valve kits include heat shield, pilot assembly, various fittings and a 82K BTU valve. This system operates by manual controls knob on top of valve or optional features such as a remote GCRK or wall switch GCWS . Includes Assembled Millivolt Quick Mount Kit, Burner, Lava Rocks, Ember Magic, Flex Line and Fittings. Features BTU 111K. Vent Type Vented. Fuel Type Natural Gas. Material 304 Stainless Steel. Face Type Single Faced Burner. Safety assured CSA-Certified 3 Burner System. Unique burner mirrors a real wood burning fireplace and is tested to withstand and produce heat. Hand-painted and hand-finished logs recreate the look of aged weathered oak Logs Sold Separately . Specifications Overall Dimensions 36 W x 14 D x 8 H . Barstock Size 0.5 . Minimum Fireplace Dimensions 48 FW x 36 RW x 14 D x 14 H .