i was just looking around and found these sites they might help, and if anyone has used these products or these companies please let us know how they work.

http://www.flamecontrol.com/index.htm
http://www.macraesbluebook.com/searc...d_code=1674601

http://www.tubespecialties.com/?gcli...FQFvGgodaV6O7A
http://www.hbdthermoid.com/