There is a place in Newtown Connecticut called Black Swan Hearth and Gift shop. They deal with fireplaces, Pot Belly stoves and cast iron stoves free standing and fireplace inserts. They also deal in repairs and repair parts and accessories. They would be a good contact.
Black Swan Hearth and Gift Shop
182 South Main Street
Newtown, Ct 06482
Let us know how you make out with them. Contact me direct for phone number I dont want to send them a bunch of spam