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The Watts 0887160 seat repair kit is a factory replacement seat kit for the Series 709 double check backflow preventer, sized for 3/4 to 1 inch and usable as either the first or second check seat. The kit includes a replacement seat, seat O-ring, and cover O-ring to restore proper sealing and prevent reverse flow of polluted water into the potable supply. No special tools are required for service.
Factory seat repair kit for Watts 709 (3/4â1); includes seat and O-rings; usable as first or second check seat; lead free.
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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