400-5090 Waterway Self-Aligning Union Assembly | 2

400-5090 Waterway Self-Aligning Union Assembly | 2"S x 2"S Pool Plumbing

Marsoni

M251S

$15.99

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

400-5090 Waterway Self-Aligning Union Assembly | 2"S x 2"S Pool PlumbingThe Waterway 400 5090 Union Assembly is a factory original 2 inch slip PVC union connector built for dependable plumbing joints in pool and spa circulation networks. Its self aligning construction compensates for slight pipe offset during hookup, delivering a snug, leak resistant connection every time. Made from impact resistant, pool grade PVC, this union handles the continuous pressure, moisture, and chemical exposure that pool equipment plumbing

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So the quality of this not great, but good enough and they look nice enough on the wall. However, the bracket holes are not spaced at 16" intervals. WTF? I'm not sure who designed this thing. The molly plugs that came with it look OK, but to play it safe I used a cobalt steel drill bit and made my own holes in the bracket. Easy enough with some wd40. My other pick with this is that the screws to anchor the shelf to the bracket are black and and very obvious... they should have supplied some kind of cap.

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Reviewed in the United States on January 31, 2026