Check the listing for details. 1-1/4 In. or 1-1/2 In. NPT Universal Check Valve. Condition: New. Listed at 9.99 USD. Superior Pump 1-1/4 in. or 1-1/2 in. NPT Universal Check Valve Product Description The Superior Pump 99555 Universal Check Valve will fit any 1-1/4 in. or 1-1/2 in. NPT male or female thread and is made from durable ABS plastic. Designed to fit all types of ABS, PVC or rubber pipe connectors, the 99555 will make installing your sump pump check valve simple and easy. The high quality Nitril-Bruna N Seal ensures water remaining in the pipe does not flow back into your sump basin. Package includes 1 universal check valve and 2 adapters. Features Will fit any 1-1/4 in. or 1-1/2 in. NPT male or female thread Made from durable ABS plastic High quality nitril-bruna N seal Package includes: 1 universal check valve and 2 adapters Works with all 1-1/4 in. or 1-1/2 in. connections