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The WILKINS RK6-350 is a 6-inch CK Rubber Repair Kit designed for Wilkins 350, 375, 450, and 475 series backflow preventers. This standard repair kit provides essential components for maintaining backflow prevention devices, ensuring protection against backsiphonage and backpressure of polluted water into potable water supplies. It includes two Check O-Rings, eight Poppet Bolt O-Rings, and two Seal Rings for comprehensive maintenance.
Essential rubber components for maintaining Wilkins 350/375/450/475 series 6-inch backflow preventers.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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