Hi there! Your best bet is to contact the AGA dealer in London. Here are the particulars: The store name is Belle Vie. Address is 21475 Denfield Road, London, ON, N6H 5L2. The phone number is 519 666 0998. As dismantling an AGA can be tricky business, it is best to have it done professionally. The people at Belle Vie should be able to answer your questions regarding value as well, or at least guide you in the right direction. Good luck!