DuraVent DuraTech 6" x 24" Black Reduced Clearance Square Ceiling Support Box watt1800 Oversize Trim Kit For Model

Oversize Trim Kit For Model 21

where it can be shut off anywhere from 30 to 7

57 Product Depth/Length (cm) 3

500 Vent Type Vent Free Ignition Type Millivolt Type of Gas Natural Gas Installation Freestanding Gas Inlet (Pipe) 3/8" Air Shutter Setting 1/16" Dimensions

DuraVent DuraTech 6" x 24" Black Reduced Clearance Square Ceiling Support Box watt1800 Oversize Trim Kit For ModelWith 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