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WW0887161, Watts, 1 1/2-2 Backflow Seat Repair Kit, Series 709
Item #: WW0887161
Manufacturer: Watts
Supplier #: 0887161
This 1 1/2 to 2 inch seat kit is for series 709, which helps to prevent the reverse flow of polluted water from entering into the potable water supply. This kit consist of a seat and seat O-ring.