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Order LookupDual Check Backflow Preventers
Available2 products
Dual-check backflow preventers are compact units with two inline check valves that prevent liquids from flowing in reverse and contaminating water supplies. They are used in applications ranging from municipal water systems and fire sprinkler systems to laboratory and processing equipment.
Body Material
Lead Free Dual Check Backflow Preventers
Lead-free dual-check backflow preventers stop the reverse flow of contaminated water into potable water systems.
WATTS LF7
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WATTS LFN9
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APOLLO 4ALF-300
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ZURN WILKINS 700XL
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ZURN WILKINS 705
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APOLLO 4ALF-400
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APOLLO 4NLF-300
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Fire Sprinkler System Dual Check Backflow Preventers
Fire sprinkler system dual-check backflow preventers protect against backsiphoning into water supplies. They install in residential fire sprinkler systems where backsiphoning could inadvertently drain the system.
WATTS LF07S
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ZURN WILKINS 700XL
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