There is a company called Joppa Glassworks, Inc. that sells homebrew kiln parts. This includes burner heads, insulators, nicrome elements etc. They have a nice guide with formulas for determining temp and power. PO Box 202 Warner, NH 03278 Fax 603-456-2138 Phone 603-456-3569 -- Frank D. Varnell Personal URL HTTP://www.xlnt.com/neonart/ Personal Email: fvarnell@sd.znet.com Work Email: frank@xlnt.com