Balboa Pump Union 1.50" - Buttress Threads 1.5 Inch Socket
For all Balboa/HydroAir pumps with 1.50" connection ports. Will fit many other pumps as well.
Please see this link : HERE for suitable connections
|Collar Thread Size Actual (ID)
|Collar Thread Size Known As
|Use with pipework / fittings
Compatible Wet End Thread Size