A friend of mine just bought a pellet stove to replace her wood stove in the basement,she wants to me to look at it when it is delivered the ? she was told she can vent it directly into the chimney like the wood stove is with an adapter that will make the existing stove pipe a 3" pipe? it is a 4 year old house so the chimney is in good shape but being a chalet log home there is no way it is worth lining a flue that is as tall as it is