1IN MIP 1IN SOCKET TAIL HI-TEMP UNION
These are complete Hayward self aligning union assemblies.
Tailpiece, Heater Union, Balboa, 2"MBT x 2"S, Less O-Ring
Cal Spa 2"s x s Replacement Union Used in many Cal Spas. This union has much finer threads than others and is truly one of a kind!