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This total repair kit is used to repair a 1/2 in anti-siphon vacuum breaker most commonly used in commercial, industrial applications to prevent the reverse flow of polluted water from entering into the potable water supply due to back-siphonage. This repair kit consists of a disc and disc float, a bonnet and O-ring.
WATTS® RK 188/288/388 Series 0887171 Total Repair Kit, 1/2 in