Lengthen the Life of Your Molten Aluminum Furnace Lid Heaters with CEM Electric's Heavy Duty Tubular Heating Elements Available from stock in 2250 and 3000 watts / 240 or 480 volts. .490 diameter for lower watt density / longer life in high temperatures. Helps minimize warpage. #840 incoloy sheath for higher temperatures. Heavy wall tubing to help eliminate warpage and to add protection against splash. High temperature nickel screw terminals for ease of wiring and the abiliiy to change failed lead wires. Shelf life moisture protection sealed terminals. As an option, can be completely hermetically sealed. All bends are re-compacted to eliminate stretched stress points caused by forming.     Eliminate Those Troublesome Bracket Failure Problems with CEM's hardened #310 stainless steel 12 Gauge Heater Brackets. Fits our .490 heater as well as other .430, .375, .315 heaters.