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The Zurn RK8-375CK1 is a #1 check assembly repair kit designed to restore first check valve sealing and operation in 8- to 10-inch backflow preventers. The kit supplies seat retainers, poppet components, O-ring, seal ring, poppet bolt and washers to service models 375A, 475DA, and 475DAV. The kit is ASSE 1013 listed and C-UL classified.
Restores #1 check valve sealing for 8â10 inch Zurn backflow assemblies
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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