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- Caleffi Backflow Preventer, Series: 573, 1/2 in Nominal, Press, 175 psi, 32 to 210 deg F, Media: Water, Brass Body
- Dual check continuous pressure backflow preventer with atmospheric vent
- Dual union for easy servicing and testing
- Protects potable water systems from backflow of contaminated fluids
- Body MaterialBRASSEnd StylePRESSNominal Size1/2 inSub-BrandFlowShieldFitting / Connector TypeUnionManufacturerCaleffiManufacturer #573406AMediaWaterPressure Rating175 psiSeries573Temperature Rating32 to 210 deg F