Superior Pump 99507 1-1/4 in. MPT x 1-1/4 in. Barb or 1-1/2 in. Slip ABS Check Valve 99507/SC125B - The Home Depot

The Superior Pump 99507 ABS check valve is designed to fit an inlet size of 1-1/4 in. MPT. Will fit an outlet size of either 1-1/4 in. Barb or 1-1/2 in.slip. The full flow design features a flapper valve
The Superior Pump 99507 ABS check valve is designed to fit an inlet size of 1-1/4 in. MPT. Will fit an outlet size of either 1-1/4 in. Barb or 1-1/2 in.slip. The full flow design features a flapper valve for reliable performance.

ECO-FLO PRODUCTS INCORPORATED EFSCV125 1-1/4“/1-1/2“ PL Sump Check Valve : : Home Improvement

Superior Pump 1-1/4 in. or 1-1/2 in. NPT Universal Check Valve 99555 - The Home Depot

Everbilt 1-1/4 in. FPT x FPT PVC Check Valve PVCCV114F - The Home Depot

VEVOR Pool Cover Pump, 1/10 HP 540 GPH Submersible Sump Pump, Water Removal Pump for Pool Draining with 3 Hose Adapters, 16 ft Drainage Hose

Superior Pump 99507 1-1/4 in. MPT x 1-1/4 in. Barb or 1-1/2 in. Slip ABS Check Valve 99507/SC125B - The Home Depot

Hydro Master 0521105 Plastic Sump Pump Check Valve with Stainless Steel Clamps for 1-1/2 inch or 1-1/4 inch : : Home Improvement

Superior Pump 99507 1-1/4 in. MPT x 1-1/4 in. Barb or 1-1/2 in. Slip ABS Check Valve 99507/SC125B - The Home Depot

1-1/2 slip x 1-1/2 slip unions Durable body and flapper design checks back flow of water and sewer gases Vertical Installation - Strong, durable ABS

Merrill MFG Plastic Sump Pump Check Valve, 1-1/2 Inch

GP Enterprises RP00S0002 Check Valve for Utility Sink Pumps

Superior Pump 1-1/4 in. or 1-1/2 in. NPT Universal Check Valve 99555 - The Home Depot

Superior Pump 1-1/2 in. Rubber Boot Check Valve 99522 - The Home Depot

Superior Pump 1-1/4 in. or 1-1/2 in. NPT Universal Check Valve 99555 - The Home Depot

Mainline Collection - 1-1/4 ABS Full Port Check Valve

Superior Pump 92333 1/3 HP Thermoplastic Pedestal Sump Pump - Sump Pump Submersible