Large chimneys are a huge bother. They need constant cleaning. They are also static and can't be moved around the home. Direct vent fireplaces do away with the chimney altogether by directly venting heat from the fireplace through a hole in the wall to the outside. The vent of the fireplace also draws air into the hearth, helping combust the gas delivered through your gas line. Problems with a direct vent fireplace may include excess smoke entering the home and problems lighting the gas.
Things You'll Need
Look at the fire and observe the color. Yellow or orange flames with black tips means excess soot. Inspect the placement of the fake logs in the fireplace to ensure they match the diagram in your instruction manual. Check the air shutter setting to make sure it isn't shut too tightly for air to get into the fireplace.
Check for a vent blockage when the fire leaps up from the gas burners. There also be a vent blockage if the gas burners run fine without a glass shield in front of the fireplace, but turn off when the glass shield is in place. Remove the cap from the outside of the house using a screwdriver and inspect the metal drip in between the vent inside and the outside for blockage.
Check the air shutter setting if the flame from the gas is blue and there is little glow from the ember area of the stove. Close the air shutter to reduce the amount of air entering the fireplace.
Check the termination cap outside the home for blockage if the flame turns orange with black tips, then lifts from the burner turning blue on the way up before the system shuts down. This indicates restricted air flow in the fireplace.
- Photo Credit fireplace image by askthegeek from Fotolia.com
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