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It is natural and unavoidable for vented gas log sets to produce moderate levels of carbon (soot) where
flame contacts the logs. The logs can be cleaned using a soft paint brush. However, if soot is produced
where there is no flame impingement, one of the following may be the cause:
Fireplace venting system not drafting properly: Make sure the damper is wide open at all times. Pre-
heat the flue in very cold weather by burning the log set at a very low level, then slowly increasing the
flame height over a matter of hours. Have the fireplace and the venting system professionally cleaned.
Excessive flame impingement or blockage: Make sure there is proper spacing between the logs so
they are not smothering the flame. Rearrange the logs so they are touched less by the flames.
Excessive gas supply/pressure: Make sure the gas pressure coming into the fireplace does not exceed
the maximum pressure allowed with this gas set (refer to tables on page 4). If you are using the gas logs
with a safety pilot kit, make sure you installed the correct orifice into the set.
Please note: The movement and combustion of gas will create low, unavoidable levels of noise.
f i r e - p a r t s . c o m
Passage of air/gas across irregular surfaces: There may be burrs, paint, or other blockages on the
burner bar ports. Check these ports and remove any blockage.
Excessive gas pressure: Make sure the gas pressure coming into the fireplace does not exceed the
maximum pressure allowed with this gas set (refer to tables on page 5). If you are using the gas logs with a
safety pilot kit, make sure you installed the correct orifice into the set.
Flexible Gas Connector: Relieve any tight bends or kinks in the Flexible Gas Connector. Switch to a
smooth aluminum gas connector, which can be purchased at any hardware or home improvement store.
Burner Flame Is Too High (8-12" Above Top Logs) or Too Low (Below Top Logs)
Incorrect gas supply, pressure, or burner orifice used: Make sure the gas pressure coming into the
fireplace falls between the minimum and maximum pressures allowed with this gas set (refer to tables on
page 4). If you are using the gas logs with a safety pilot kit, make sure you installed the correct orifice into
the set.
Blocked ports (low flame only): Free the main burner orifice and burner bar ports of any burrs, paint, or
other blockage.
Troubleshooting
Log Set Is Smoking/Sooting Excessively
Burner Is Excessively Noisy
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