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The Watts 0887121 Second Check Repair Kit is designed for 3/4 to 1 inch 909 and LF909 reduced pressure zone vent assemblies. This kit includes all necessary parts to replace major internal components and ensure optimal performance. It consists of a disc assembly, spring, seat, seat O-ring, cover O-ring, and lubricant.
This repair kit is essential for maintaining the performance and reliability of 3/4 to 1 inch 909 and LF909 backflow preventers. The components are made of high-quality materials ensuring durability and longevity.
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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