The Hearthstone Heritage 8021 woodstove is designed with a larger firebox which is able to provide up to 12 hours of sustained heat. Featuring Hearthstones high end design featuring cast iron and stone and producing up to 55,000 BTU's with an amazing 81% efficiency. We offer all available replacement parts for the Heritage 8021 but only a few are listed on our website. If you cannot find the part you are looking for please call, email, or fill out a Parts Request Form and we will be happy to assist you.