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Hearthstone catalyst guide

Remove old catalyst and verify dimensions before ordering. Dimensions of Condar catalysts may slightly differ from an existing catalyst.

For one of the stove models below you have a choice between ceramic or steel catalytic combustors. SteelCat combustors have longer burn time & more heat. To make an informed choice click here to learn about the advantages of steel catalysts.

**If you don't find your Heathstone model on this page click here to search comprehensive replacement combustor list.

Using a catalytic thermometer is important to ensure catalyst stays within safe operating temperatures. For some of the wood stove models below we suggest a particular size. If you do not see a catalytic thermometer suggestion for your wood stove click here to see a comprehensive list.