DuraVent DuraTech 7" Galvalume Insulated Wall Thimble w35 800 BTU - use as

800 BTU - use as part of primary heating plan

Both items can be added at checkout

To keep your Fire Bowl free of debris or leaves brought on by the off seasons or foul weather

The maximum BTU output we advertise is what will be obtained with a full load of seasoned cordwood inserted inside the firebox

Model OA10246 Color Brushed Nickel Material Cast Iron Size 24

DuraVent DuraTech 7" Galvalume Insulated Wall Thimble w35 800 BTU - use asWith a Thermal Tech blanket insulation encased between dual walls, DuraTech offers the optimum in safety and performance. It keeps the outer wall of the chimney cool, while ensuring high flue gas temperatures for optimum draft performance. The inner wall is 25% thicker than competitive chimneys for an extra margin of safety. No locking bands or mechanical fasteners required. DuraTechs sleek 1" wall design provides for easy installations through 16" on