Has a capacity of 160 lbs. of Lead or 100 lbs. of Pewter it is mounted on stand and piped with a 110-volt Robertshaw gas safety solenoid valve and 36 inch thermocouple attached. The temperature is controlled by the Future 4100 Digital control is supported by a type J T/C inserted into a cast iron well. Natural or propane gas operated. Gas consumption is 30,000 BTUs per hour.