I have replaced many rope gaskets while servicing stoves. These gaskets are important for keeping a pellet stove air tight for a lively flame and maximum heat. From my experience, after 3 or 4 years, these rope gaskets become frayed or hard and brittle and need replacement. These rope gaskets are used on the Fire Door, Ash Pan, Window Glass, and Hopper Lid. Round rope gasket is used for fire...