Tag: ASME A112.18.1

If you’re a plumber, contractor, building inspector, or even a DIY homeowner working on a North American plumbing project, you’ve likely encountered references to ASME A112.18.1 and CSA B125.1 plumbing supply fittings standards and practices. But what do these codes actually mean—and why do they matter for your work or renovation? These standards aren’t just…