Pentair SuperFlo & SuperMax Pump Union 1.5

Pentair SuperFlo & SuperMax Pump Union 1.5"-2" by Swimables — 350157 | SW-21-350

Marsoni

M251S

$36.99

Get it in 3 business days with 1 day shipping. Friday, May 29

Pentair SuperFlo & SuperMax Pump Union 1.5"-2" by Swimables — 350157 | SW-21-350Achieve a watertight, professional grade plumbing connection on your Pentair SuperFlo or SuperMax pump with the Swimables SW 21 350 Union Kit. Serving as a direct stand in for Pentair part 350157, this kit ships with two unions featuring a 1. 5 inch internal slip and a 2 inch external slip, along with matching adaptors, threaded nuts, and fresh O rings. Every piece is precision molded to match factory tolerances, so you get a solid, drip free seal

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Reviewed in the United States on September 24, 2025

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Patricia Viera

Charlottesville, US

★★★★★ 5

100% goose down

Size: King, Unit Count: 2.0

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Reviewed in the United States on May 3, 2026

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