Kozy-World GLD2460R, User Instruction, Page: 15 / 35

15
INSTALLING DAMPER CLAMP ACCESSORY FOR VENTED OPERATION
NOTE: When used as a vented heater, appliance must be installed only in a solid-fuel burning
fireplace with a working flue constructed of noncombustible material. You may use this heater
as a vented product. There are three reasons for operating your heater as a vented model:
1. The fireplace does not meet the clearance requirements for vent-free operation.
2. State or local codes do not permit vent-free operation.
3. You prefer vented operation.
If reasons number 1 or 2 above apply to you, you must permanently open chimney flue
damper. You must install the damper clamp accessory (not provided). This will ensure vented
operation (see Fig. 9). The damper clamp will keep damper open. Installation instructions are
included with clamp accessory.
See chart below for the minimum permanent flue opening you must provide. Attach
damper clamp so the minimum permanent opening will be maintained at all times.
Chimney Height (ft.) Minimum Permanent Flue Opening (sq. in)
6 ft to 15 ft 39 sq. in.
15 ft to 30 ft 29 sq. in.
Area of Various Standard Round Flues
Diameter (in.)
Area (sq. in.)
5 in. 20 sq. in.
6 in. 29 sq. in.
7 in. 39 sq. in.
8 in. 51 sq. in.