Adapter 1 inch NPT Connector Noryl w/oring
( PN 40563-01, or just 40563 ) used on Fleck 7000 and other Pentair Water Products.
Also used on Autotrol 360, 363, 368.
Used to connect Fleck 7000 By Pass or Valve to the water pipes.
Also, used as a Quick Connect fitting for Structural CT ( contact tanks ) made after May 2008.