DuraVent DuraTech 16" Diameter Trim Collar for Round Support Box sqft538 87" W x 40

87" W x 40

000 Compatible Log Size 36" Weight 53 lbs Warranty

62 Type of Gas Natural Gas Ignition Intermittent Pilot Vent Type Direct Vent Venting 4 x 6 5/8 Installation Zero Clearance Orifice (Front / Rear) 47 / 42 Air Shutter Opening 3/16" Gas Inlet Shut-Off Valve (Pipe) 1/2" NPT Gas Supply Pressures (inches water column) Maximum 14 Minimum 4

Automatic blower is easily added where faster heat circulation is desired

a wind guard is included)

DuraVent DuraTech 16" Diameter Trim Collar for Round Support Box sqft538 87" W x 40With a Refractory 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. DuraTech's sleek 1" wall design provides for easy installations through 16" on center