Lead Free Brass Fittings: Standards & How to Verify
Lead free brass fittings are brass connectors and valves whose water-contact (wetted) surfaces contain a weighted-average lead content at or below 0.25%, the ceiling written into NSF/ANSI 372 and the US “lead-free” law that most markets now echo. In plain terms, a fitting is not “lead-free” because a catalog says so; it is lead-free because
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