I have a modular home with a Marco fireplace. It has a factory installed galvanized double wall chimey through the roof. I want to remove the fireplace, mantle and pipe all the way from the floor to the ceiling. I have bought an old Englander double door woodstove I want to put in it's place. If I leave the chimney from the ceiling to the rooftop do you think this would be safe to hook a woodstove to? I am not sure if it's a class A or B chimney but it appears to be the same doublewall pipe and thimble and cap that is sold at Lowes. I would appreciate any input you or advice you could give me as safety is my number one concern. Thanks, Cindy