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188A Approvals

Anti-Siphon Vacuum Breakers for Irrigation Systems

USC Approvals Explanation Download

Size Model ASSE FM Lead Free† UL ULC USC
3/4
1
1-1/4
1-1/2
2

Suffixes:

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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