Amazon.com: Boltigen 1-1/2 PVC Pool Pump Fitting Coupling, 1.5" NPT Male x 1.5" Slip Union Socket Joint Adapter Connector Replacement for Pool Spa Pump : Patio, Lawn & Garden
Homewerks Worldwide 1-1/2 in. Solvent x 1-1/2 in. Solvent PVC Union 511-14-112-112H - The Home Depot
PVC Union 1.5" Threaded
Plastic PVC 3/4" Male Thread 25mm Union Water Pipe Connector Plastic Tube Adapter Garden Irrigation Fittings 3/4 inch Parts 1Pcs - AliExpress
Homewerks Worldwide 1-1/2-in Schedule 40 PVC Union in the PVC Pipe & Fittings department at Lowes.com
Super-Pro 1.5"S PVC Union Ball Valve, 25802-150-000 - EZ Pool & Spa Supply
Amazon.com: 2Pcs 1-1/2" PVC Union Coupling Pipe Fitting (Socket x Socket) 1.5Inch PVC Slip Union PVC Adapter Coupling Schedule 40, EPDM O-Ring, White : Industrial & Scientific