Product Info Catalog Plumbing Pumps Sump Sump Pump Inline Check Valve, 1.25 & 1.5-In Sump Pump Inline Check Valve, 1.25 & 1.5-In Request a Quote UPC: 22315150287 SKU: 171004 Model Number: FP0026-10-P2 Parts2o fits 1-1/4" or 1-1/2" discharge pipes designed to allow connection to pipes on both ends (inline installation) simple hose clamp connection.