No, but there are exceptions as some vent systems approved for use with direct vent gas fireplaces are also safety tested for use with pellet systems that are also approved for direct venting. If you are wanting to use common type B (B Vent) or UL441 listed venting, you would not be able to use this material for a pellet stove. Without knowing further details, you will always want to use UL641 listed type L venting with a pellet stove.