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I have a Coleman Patio heater. The flames are very yellow & I don't believe it is sending as warm a flame as it should. Would like to know how to adjust air intake or similar to alter this. I am a plumber gasfitter by trade and do have an understanding of how it works.

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The primary air adjustment is located at the burner inlet. To little air and you have yellow flame. To much primary air and you get flame lift off from the burner. The adjustment may be locked in position by a screw. To change the adjustment you must loosen the locking screw.

Posted on Sep 14, 2008

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