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- Zurn® Z1090 backwater valve, dura-coated cast iron body with no-hub inlet and outlet, gasketed bolted cover, automatic PVC flapper type with O-ring.
Backwater Valve, Series: Z1090, 4 in Nominal, No-Hub End Style, Cast Iron Body, Dura-Coated
- Automatic Flapper and O-Ring
- Body MaterialCast IronEnd StyleNo-HubNominal Size4 inFinishDura-CoatedManufacturerZurn Elkay Water SolutionsManufacturer #Z1090-4NHSeriesZ1090