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Check Valves and Backflow Preventers

Protect potable water supplies from contamination or pollution with check valves and backflow preventers from Grainger. When pressure fails or is reduced for water, it can bring contaminated water from the ground, from storage or from other sources drawn from the system. Hydronic, flow check valves provide positive shutoff when the circulator is not running.

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Check Valves and Backflow Preventers
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