34 products
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Double Check Backflow Preventer Valves are designed to prevent contamination of the potable water supply due to back-siphonage or backpressure from substances that are objectionable to the potable water supply, but non-health hazards.
SKU: 00-4ALF103A2F
SKU: 00-4ALF104A2F
SKU: 00-4ALF107A2F
SKU: 00-4ALF106A2F
SKU: 00-4ALF105A2F
SKU: 00-4ALF10902
SKU: 00-4ALF10903
SKU: 00-4ALF10909
SKU: 00-4ALF10002
SKU: 00-4ALF10009
SKU: 00-4ALF10003
SKU: 00-4ALF108A2F
SKU: 00-4ALF10A02
SKU: 00-4ALF10A03
SKU: 00-4ALF10A09
SKU: 00-4ALF10C09
SKU: 00-4ALF10C03
SKU: 00-4ALF10C02
SKU: 00-4ALF10E03
SKU: 00-4ALF10G02
SKU: 00-4ALF10G09
SKU: 00-4ALF10H02
SKU: 00-4ALF10H09
SKU: 00-4ALF10E02