ECOPOOLTECH Universal 40mm NPT to 1.5" Slip Union Socket Joint Adapter Fitting Quick Connector Replacement (MSlip) for Pool Spa Pump, Pool Filters and ...
1.5" Pump Union
Pipe - Pump Unions - 2 Pack 1.5 Inch | Aqua Warehouse
Espa Pump Union (Tiper/Wiper0) - 1.5" | 32mm Tee Tailpiece (Socket)
Spa Pump Unions 430 series 1.5
Aqua-Flo 91431300 1.5" Pump Union Fitting | eBay
Genuine RotoSpa Smart Flow Pump Union Set of 2 with split Unions for easier Retro Fit - Rotospa