The Lee Production Pot Four Furnace is a great furnace for any lead caster looking for a reliable furnace that features a deep pot with 10 pound capacity, Infinite heat control (up to 900 degrees F), 500 watts of power and a melt time of approx. 20 minutes. The Production Pot Four also sports a large, stable base for added safety and a generous 4" of clearance under the spout to accept all brands of bullet molds and most sinker molds. Notes: Features an adjustable flow valve