Metal-Fab All-Fuel Temp/Guard 6" Galvanized Through The Wall Installation Kit door-set Why is the efficiency as

Why is the efficiency as per the EPA’s test data smaller than the publicized optimum efficiency

Model HABLR

Color: Copper/Black

the color of your firebrick interior

For Use with 120V Only

Metal-Fab All-Fuel Temp/Guard 6" Galvanized Through The Wall Installation Kit door-set Why is the efficiency asTemp Guard All fuel products, diameters 6" 8" are tested and listed to UL 103HT for continuous operating temperatures up to 1000F and 2100F intermittent. Temp Guard features a twist lock connection that eliminates the need for sheet metal screws and aids in proper joint alignment. Temp Guard utilizes a ceramic fiber blanket insulation that reduces hot spots and prevents insulation from settling during transportation and installation, increasing