Fresh Water Shut Off Valve Elkhart Supply 28913Fresh Water Shut Off Valve; EcoPoly; 3 Way Valve; 1 2 Inch PEX x 1 2 Inch Female Pipe Thread Swivel End Nut x 1 2 Inch PEX; Black; Plastic; Single Elkhart Supply Corporation was founded in 1949 by Lowell and Lucille Shaum. As an electrical wholesaler, the business began to grow in the contractor, industrial and MH RV market. Type: 3 Way End Size1: 1 2 Inch End Type1: Hose Barb End Size2: 1 2 Inch End Type2: Female Swivel Color: Black Material: Plastic