DuraVent DuraTech 7" Locking Band tank-storage 2002+) (53664-

2002+) (53664-

✅76% HHV Efficiency

the temperature of a modulating unit is controlled by changing the knob setting on the unit itself

Basic Clearances

compared to gas and wood

DuraVent DuraTech 7" Locking Band tank-storage 2002+) (53664-With 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