This article contains some general information on Orbit manifolds and should help with questions you may have. How to make a 4-valve manifold using the preassembled 3-valve (57253) – 1-inch Male Swivel Adapter (two of these) 57199 Slip Transition Adapter 57191 1 Port Manifold Extension 57181 Swivel Double Union 57184 1″ Inline Sprinkler Valve 57281…Read More »
