Gas Engineering Guide

Appliance – Gas Logs

For information on decorative appliances for installation in vented fireplace, see ANSI Z21.60/CGA 2.26, Decorative Gas Appliances for Installation in Solid-Fuel Burning Fireplaces. (NFPA 54, A.10.6.1).

Approved log lighters, where properly installed, may be used for the lighting of logs only.

Approved gas logs may be installed only in solid fuel burning fireplaces provided the following conditions are met:

1. The gas log is installed in accordance with the manufacturer’s instructions.
2. The minimum chimney or vent passageway shall not be less than 1 square inch per 2,000 Btu/hr input
3. Gas logs when equipped with a pilot shall have a safety shut-off valve
4. An insert or stove shall be listed for use with a gas log

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