It's happened twice now. I figure I maybe didn't tighten it enough last time so I went a bit harder this time. Any idea if something else might be wrong? My complete amateur theory is that the hard water buildup is making everything stiff down there, so that rotating the faucet also rotates this piece.

Thanks for your help!

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[–] 2 points 9 months ago (1 child)

I'd say give it a good wrap of thread tape and see if it stays sealed! Brass nut for the plastic housing would be a bit silly, but replacing it is very easy once you track one down. Decent odds tape will fix it though

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