The Hayward SP0729 Econoline 2-Way Ball Valve is 1-1/2 inch MIP on one side with a 1-1/2 inch by 1-1/4 inch Hose Adapter on the opposite side. Hayward ball valves are non-corrosive, durable valves designed for maximum flow efficiencies with pressure ratings up to 50 psi. They feature a dial handle for easy flow regulation and visual indication of valve setting, plus Teflon seats for dependable sealing. A union end connector accurately aligns the ball and provides simple disassembly of piping connections.