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78 mm pump union for 1.5" pipe
In stock.  Order by 13h00 for delivery on Monday.
78 mm pump union for 1.5" pipe - Click to enlarge

Pump union, with o-ring, for 1.5" pipe. This union works with several brands of pump, notably Waterway and ITT/HydroAir. The thread is of the asymmetric "buttress" type (also known by the initials MBT and FBT for the male and female versions).

Inside diameter of the thread: 75 mm
Outside diameter of the corresponding male thread on the pump: 78 mm
Connects to 1.5" pipe (outside diameter: 48 mm)

Part numbers
Waterway: 400-9230