FaucetsMore Top BrandsSafety Equipment and GearAir QualityAir ToolsAlarm SystemsAll Home SecurityAll Renewable EnergyAll Tool SetsAmerican StandardBathroom Cabinets & FixturesBathroom HardwareBathroom PlumbingBLACK+DECKERBrackets and Angle IronsBreakers, Distributors, and Load CentersBulk & Commercial Toilet PaperCable ManagementCar Emergency SuppliesCaulking & SealantsChains, Ropes and TiedownsCommercial LightingConduits and FittingsDelta Home ImprovementDimmers, Switches, and Wall PlatesDoor HardwareDoor Security HardwareDoorsElectric MotorsElectrical ToolsElectrical Wire & CableEmergency SuppliesEmersonEvaporative Coolers and PartsFastenersFire SafetyFireplacesFirst AlertFurniture HardwareGarage CabinetsGarage Shelves and RacksGarage Storage SystemsGreat StuffGuttering & DrainageHand ToolsHardware KnobsHome SafetyHome Safety by BrandHooksHVAC Ducting and VentilationInsulationInterconnect TerminalsKiddeKitchen Fixtures and MaterialsKitchen HardwareKitchen PlumbingKohlerLight BulbsMasonry ToolsMechanics ToolsMetal CuttingMillworkMoen Home ImprovementMoldingMouldingsOutdoor DrainageOutletsPadlocksPaint Supplies & ToolsPersonal PreparednessPersonal Protective EquipmentPipes, Fittings & AccessoriesPlug AdaptersPlumbing Tools & AccessoriesPower Tool AccessoriesPower ToolsPower TransformersPressure WashersProjectsRailingRegisters and GrillsRoofingRubberRubbermaidSandbags & Flood GuardsSealants, Fillers and AdhesivesShop Plumbing BrandsShop Plumbing by FixtureSolderingSpecialty PaintSpray PaintStair PartsStanleyStorage ContainersStorm & Flood PrepStovesSurveillanceThermostatsTile by ApplicationTile by ColorToilets and BidetsTool Equipment & StorageTOTOTrimUtility Sinks & FaucetsValves & Valve RepairWater DispensersWater FiltersWater Filtration & Water SoftenersWater HeatersWater Heaters, Pumps & TanksWater JugsWD-40Weatherproof CoversWeatherstrippingWeldersWelding & Cutting AccessoriesWelding ConsumablesWildfire PrepWind TurbinesWinter PrepWoodworking ToolsWorx
FaucetsMore Top BrandsSafety Equipment and GearAir QualityAir ToolsAlarm SystemsAll Home SecurityAll Renewable EnergyAll Tool SetsAmerican StandardBathroom Cabinets & FixturesBathroom HardwareBathroom PlumbingBLACK+DECKERBrackets and Angle IronsBreakers, Distributors, and Load CentersBulk & Commercial Toilet PaperCable ManagementCar Emergency SuppliesCaulking & SealantsChains, Ropes and TiedownsCommercial LightingConduits and FittingsDelta Home ImprovementDimmers, Switches, and Wall PlatesDoor HardwareDoor Security HardwareDoorsElectric MotorsElectrical ToolsElectrical Wire & CableEmergency SuppliesEmersonEvaporative Coolers and PartsFastenersFire SafetyFireplacesFirst AlertFurniture HardwareGarage CabinetsGarage Shelves and RacksGarage Storage SystemsGreat StuffGuttering & DrainageHand ToolsHardware KnobsHome SafetyHome Safety by BrandHooksHVAC Ducting and VentilationInsulationInterconnect TerminalsKiddeKitchen Fixtures and MaterialsKitchen HardwareKitchen PlumbingKohlerLight BulbsMasonry ToolsMechanics ToolsMetal CuttingMillworkMoen Home ImprovementMoldingMouldingsOutdoor DrainageOutletsPadlocksPaint Supplies & ToolsPersonal PreparednessPersonal Protective EquipmentPipes, Fittings & AccessoriesPlug AdaptersPlumbing Tools & AccessoriesPower Tool AccessoriesPower ToolsPower TransformersPressure WashersProjectsRailingRegisters and GrillsRoofingRubberRubbermaidSandbags & Flood GuardsSealants, Fillers and AdhesivesShop Plumbing BrandsShop Plumbing by FixtureSolderingSpecialty PaintSpray PaintStair PartsStanleyStorage ContainersStorm & Flood PrepStovesSurveillanceThermostatsTile by ApplicationTile by ColorToilets and BidetsTool Equipment & StorageTOTOTrimUtility Sinks & FaucetsValves & Valve RepairWater DispensersWater FiltersWater Filtration & Water SoftenersWater HeatersWater Heaters, Pumps & TanksWater JugsWD-40Weatherproof CoversWeatherstrippingWeldersWelding & Cutting AccessoriesWelding ConsumablesWildfire PrepWind TurbinesWinter PrepWoodworking ToolsWorx























![Uxcell 2-Pack Brass Check Valve, 1/2" Male to 1/2" Female Thread One Way Non-Return Backflow Preventer Valve [Gold]](https://i5.walmartimages.com/seo/Uxcell-2-Pack-Brass-Check-Valve-1-2-Male-to-1-2-Female-Thread-One-Way-Non-Return-Backflow-Preventer-Valve-Gold_b4cccac3-6f19-43a6-9f33-5dd4703bd3f4.53e58dad1bf7439c9632b5b2544dd12b.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
















![Uxcell 2-Pack Brass Check Valve, 1/2" Male to 1/2" Male Thread One Way Non-Return Backflow Preventer Valve [Gold]](https://i5.walmartimages.com/seo/Uxcell-2-Pack-Brass-Check-Valve-1-2-Male-to-1-2-Male-Thread-One-Way-Non-Return-Backflow-Preventer-Valve-Gold_60d7ab8f-3159-4d4a-8bd8-41d5be9eea48.a94d3839d5509db131db6f1b8480a2e8.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)

























