I fixed it by connecting it to a easy DIY PID temperature controller.       As anyone that has ever used one knows, owners of Lee lead pots have a love hate relationship with them. The original pots were hard to control the flow rate in and the ability to put up with a dripping spout was a definite requirement. Then Lee came out with the Pro 4 and the ability to control the volume of the lead being dispensed was easy. However it still dripped. Both styles of pots didn't