A can of air, vacuum and a long thin brush. Blow out any debris in burners and at the pilot assembly while running the vac. Brush all parts you can get too. Unscrew the pilot line from gas valve and blow in tube with can of air. Fire up heater and check for CO.
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A can of air, vacuum and a long thin brush. Blow out any debris in burners and at the pilot assembly while running the vac. Brush all parts you can get too. Unscrew the pilot line from gas valve and blow in tube with can of air. Fire up heater and check for CO.