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WW0887070, Watts, 4 Backflow Repair Kit, Spring Assembly, Cover O-Ring, 770
Item #: WW0887070
Manufacturer: Watts
Supplier #: 0887070
This 4 IN check valve repair kit for series 770 is designed to protect drinking water supplies from dangerous cross-connections in accordance with national plumbing codes and water authority requirements. This kit consists of a spring assembly and a cover O-ring. Check with local inspection authorities for installation requirements.