Product Review

Hayward union check valve prevent reversal of flow in piping systems. Ideal where backflow could potentially cause damage to pumps, filters, or process equipment like heaters. Made of ABS plastic material. Features a unique square-cut elastomer seat to seal at low back pressures. A true union design allows for easy removal from a piping system without breaking down piping connections. Measures 1-1/2-inch socket pipe size.