Plumbing > Pipe Valves > Backflow Preventers > Dual Check Valves > Apollo > 4ALF-300 Series Dual Check Valve

Dual Check Valve, Lead Free, 1/2"

Part #: 662223

Model #: 4ALF3A33A

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Dual Check Valve, Lead Free, 1"

Part #: 662230

Model #: 4ALF3A55A

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Dual Check Valve, Lead-Free, 3/4" MTR SWV x 3/4" FNPT

Part #: 662320

Model #: 4ALF3S54A

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Dual Check Valve, Lead-Free, 3/4" MTR SWV x 3/4" MNPT

Part #: 662321

Model #: 4ALF3S54B

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Dual Check Valve, Lead-Free, 1" MTR SWV x 1" FNPT

Part #: 662322

Model #: 4ALF3S65A

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Dual Check Valve, Lead-Free, 1" MTR SWV x 1" MNPT

Part #: 662323

Model #: 4ALF3S65B

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