Metal-Fab SuperFlex 8" x 300" Length Stainless Steel Chimney Liner Flex Kit With Tee glass-panel or outside outdoor TV lift

or outside outdoor TV lift

62 Orifice - Front #48 Orifice - Rear 2

3006 Size 6" Material Stainless Steel 316L Collar Size 1/8" (3 mm) less than the chimney ID Warranty

you could have 2 heaters in each zone

5" Height  10" Width  12" Color Silver Technical Drawings & Dimensions

Metal-Fab SuperFlex 8" x 300" Length Stainless Steel Chimney Liner Flex Kit With Tee glass-panel or outside outdoor TV liftFlexible Stainless Steel Chimney Liners intended for field installation into new or existing tile lined or unlined masonry chimneys used for venting natural active Category I gas fired, Type L oil fired, and solid fuel residential type appliances in which maximum continuous flue gas temperatures do not exceed 1000F. Chimney liners are intended to be installed in accordance to the Standard for Chimneys, Fireplaces, Vents, and Solid Fuel Burning