Use this versatile and easy to install Manifold System fittings to split your main water source into multiple zones. Can be used with automated controller/valve set-up. Assemble valves without glue or Teflon tape for an easy to repair/replace valve manifold system. Everything is O-ring sealed and hand tightened for easy installation. These fittings also make for easy removal of valves for servicing or replacing individual valves in a bank (manifold) of several valves. No need to take the whole manifold apart from one end to replace a broken fitting in the middle!