Repair Split Nut union - makes it quick and easy to replace cracked, leaky pump union nuts.

Simply remove or break away damaged nut, place halves over tailpiece, secure halves by tightening the (2) screws, and lastly screw assembled nut onto pump threads.

1.5" - The actual diameter of the inside when closed (thread to thread) is approximately 2-5/16".
2.0" - The actual diameter of the inside when closed (thread to thread) is approximately 3".
2.5" - The actual diameter of the inside when closed (thread to thread) is approximately 3-5/16".