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288A Approvals

Hot or Cold Water Anti-Siphon Vacuum Breakers

USC Approvals Explanation Download

Size Model ASSE FM Lead Free† UL ULC USC
1/4
3/8
1/2
3/4
1-1/4
1-1/2
2
2-1/2
3
1
1/4
3/8
3/4
1
1/4
3/8
1/2
3/4

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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