Copper Ferrules Size:4" Copper Ferrule (1) 1/2" NPT thermometer

(1) 1/2" NPT thermometer

also known as a surge protector

or 4" copper column

By making their components modular with industry-standard connections

Copper Ferrules Size:4" Copper Ferrule (1) 1/2" NPT thermometerThese copper ferrules are 1" long (7 8" jacket, 1 8" flange). Perfect for soldering, brazing, or welding to a 2", 3", or 4" copper column. These ferrules are made so that their respective diameter copper pipe will slide over top of them. The 2" ferrules can also be used as an adapter for beer kegs. The outside diameter of this ferrule's flange will match the sanke fitting of a beer keg. A flat silicone washer is recommended as a gasket. Copper Tubing