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Watts 0887159 is a second check replacement cover kit for the RK-709 series backflow preventer designed for 1-1/2 to 2 inch units. The kit includes a replacement cover and a cover O-ring and is intended for factory maintenance of RK-709/709-C2 double check valve assemblies to help prevent reverse flow of polluted water into the potable water supply.
Cover and O-ring replacement kit for RK-709/709-C2 backflow preventers, fits 1-1/2 to 2 inch, intended for second check maintenance.
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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