How To Open Gas Fireplace Flue. Every fireplace has a chimney damper. However, some gas log sets will still need a chimney to dissipate the heat from burning.
Fireplaces with installed gas logs are required to have the damper open at all times. Do i need council consent to retrofit a gas fireplace? A fireplace flue is the metal ductwork, brick chimney stack, or ceramic piping that runs from the firebox up and outside to the chimney’s top.
Otherwise the carbon monoxide will get you.
Bring it down slowly and monitor for smoke intrusion. I have a victorian fireplace with a modern gas fire installed. Hold the gas control button down while you hold the end of a lighted match or lighter at the end of the pilot tube. That's either because a pilot light is constantly burning under the logs or because the homeowner might forget to open the damper when he or she turns on the fire.