How do I clean the catalytic combustor? Travis Industries recommends using an ash vacuum with a soft bristle brush attachment to clean the combustor. By Anna Corwin|2020-03-04T09:47:55-08:00March 4th, 2020|Wood Stoves & Fireplace Inserts|Comments Off on How do I clean the catalytic combustor? Share This Story, Choose Your Platform! FacebookXRedditLinkedInTumblrPinterestVkEmail About the Author: Anna Corwin