Malm Zircon 34" Freestanding Direct Vent Natural Gas Fireplace With RAL 8012 49/66090 Powder Coat Top and Base btu593000 Why is the BTU according

Why is the BTU according to EPA test data smaller than the one advertised

Required to be installed between two elbows in offset installations

Large Pineapple Fireback

BH8180012 Product Type

C ROXBOROUGH FLUSH WOOD MANTEL (AFRHMPC/AFRHAUC)

Malm Zircon 34" Freestanding Direct Vent Natural Gas Fireplace With RAL 8012 49/66090 Powder Coat Top and Base btu593000 Why is the BTU accordingThe Gas Zircon 34" is a modern design providing an excellent view of the fire. Available in all the Malm colors, the Gas Zircon 34" is the perfect unit to add atmosphere, color and beauty to any room. What's Included Fireplace Unit Safety Screen Log Set Ceramic Safety Glass Remote Control 6" Ceiling Support Box Support Box with Chimney Liner Termination Kit (46DVA GK) Not Included 2 3" Flex from unit height of 34 1 2" Features Polyester TGIC weather