3/4" By Pass Valve for Fleck 5600, 2510, and 9000 Valves. Now stainless steel ( older models were brass ).
Clamps directly ( To 3/4" Meter Module or Adapter coupling Kit with o-rings, using metal clips, and screws - Sold Separately ), to Fleck Valve on one end, and has 3/4" female pipe threads on the other.