Waterway 1″ pump union with glue socket and O-ring (400-1990)

A Waterway-brand union for connecting a pump to 1″ piping. The female-thread side (1″ FBT) with a diameter of 48 mm screws onto the pump, while the smooth side with a diameter of 33 mm is intended for gluing a 1″ pipe. An O-ring is included to ensure a tight joint. The outer diameter of the corresponding thread on the pump is 50 mm.

Technical parameters

• Inner diameter of the union thread: 48 mm (1″ FBT – female thread)
• Inner diameter of the smooth gluing side: 33 mm (for 1″ pipe)
• Outer diameter of the corresponding thread on the pump: 50 mm
• Manufacturer: Waterway