Hayward SP3210X152 1.5 HP Pool Pump, TriStar, Dual-Speed Super-sized basket has extra leaf-holding capacity and extends time between cleanings. Rigid construction assures free flowing operation for heavy debris loads. Smooth inside surface insures easy debris removal. Tri-Lock design makes strainer cover removal easy. No tools required, no loose parts, and no clamps. See-thru strainer cover lets you see when the basket needs cleaning. Test feature allows line pressure test to 50 PSI MAXIMUM. Balanced, high-head impeller provides high-volume output to accommodate even the most demanding installations, including pool/spa combinations and in-floor cleaning systems. Service-ease design gives simple access to all internal parts. Motor and entire power end assembly can be removed, without disturbing pipe or mounting connections, by disengaging just six (6) bolts. Union Connectors: 2" x 2 1/2"