Pentair/Sta-Rite 1-1/2" FPT Union Adapter (38405-4089)

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Pentair/Sta-Rite 1-1/2" FPT Union Adapter (38405-4089) is a replacement fitting or flow-control component for compatible pool, spa, or bath plumbing systems. It is used to direct, connect, regulate, or finish the water path where the original part is damaged, discolored, worn, or no longer sealing properly. Part number 38405-4089 should be confirmed against the existing fitting size, thread type, color, and application before ordering.This Pentair/Sta-Rite part helps maintain proper circulation and a clean finished installation when paired with the correct plumbing configuration. For inlet, outlet, eyeball, union, or valve repairs, small differences in slip, MPT, FPT, barb, face diameter, or orifice size can affect fit and water movement.Before installation, compare the existing component and inspect related gaskets, threads, retaining rings, and wall fittings. Correct alignment and sealing help prevent leaks and ensure the water flow performs as intended. Replacement fitting or flow-control part for compatible systems Confirm size, connection type, color, and part number before ordering Helps direct water flow and maintain a finished installation Useful for repair, replacement, or plumbing service work Inspect related seals, threads, and fittings during installation Show more