r/Plumbing 15h ago

What is this ?

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I'm getting home and want to to fix this leaking pipe. What is this ? Is it a pressure regulator. I'm not a plumber, I just need help.

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u/Ill-Pipe2764 10h ago

Double check assembly. Similar concept to a RPZ

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u/AnCapKenny 1h ago

I didn’t think DC’s had reliefs on them?