Pentair Sta-Rite 2" Female Buttress Thread Union Nut (U11-200PSZ) intermatic Using the correct medium-head version

Using the correct medium-head version helps keep the pump aligned with its intended hydraulic profile instead of forcing a mismatch

Replacement on/off valve component for compatible Waterway systems

Match part number PS-4265 and pump model requirements before ordering

Match connection size

A correct impeller selection supports better pump efficiency

Pentair Sta-Rite 2" Female Buttress Thread Union Nut (U11-200PSZ) intermatic Using the correct medium-head versionPentair Union, Sta Rite Pentair, Nut, 2" Female Buttress Thread (U11 200PSZ) is a replacement union or union related fitting for compatible Pentair pool and spa plumbing applications. Unions make equipment easier to install, service, and remove while maintaining a secure plumbing connection. Use this part when a union, adapter, nut, or related connection is cracked, leaking, stripped, or being replaced during plumbing service. Confirm thread style,