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LFN9, LFN9C Approvals

Lead Free* Dual Check Vacuum Breakers

USC Approvals Explanation Download

Size Model ASSE FM Lead Free† UL ULC USC


OS&Y - Outside Stem & Yoke
NRS - Non-Rising Stem
BFG - UL/FM Gear Operated Groved Butterfly Valve
LF - Specifies Replacement Parts Only

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