Description
This 2 1/2" Pump Union Gasket Only creates a watertight seal between your pump and its 2 1/2" union fitting. Designed for unions measuring approximately 3 5/8" Inside Threads, this gasket features precise dimensions of 3 1/4" O.D. x 2 3/8" I.D. with a 2 7/8" center to center lip measurement. As the 4th most commonly used size (following 2", 1 1/2", and 1" versions in popularity), this replacement seal ensures proper pump operation in your spa or hot tub plumbing system. Essential for preventing leaks at the pump union connection point.