2.5" Split Nut Union 0121108025 is a heater split nut for 2 1/2 inch plumbing connection and a 3 inch id heater. Connects 2 1/2 inch plumbing to a 3 inch id heater. 700510 121108025 contact us for...
1.5" FBT Repair Split Nut with Screws 0121109015. This is a repair split nut for 1 1/2 inch pump connections. 1 1/2 inch refers to the inner diameter of the attached plumbing/hose/pipe.