Watts G4000 FDA Part of the G4000 FDA Series Window Well Extension 2 Body Material Brass Brand 2 Body Material Brass Brand Watts Corrosion Resistant Coating No Disc Material Reinforced EPDM EAN 098268334647 Gauge Option No Gauge Inlet Connection Size 1 1 4 IN Inlet Connection Type Union Joint Inlet Thread Type NPT Lead Free YES Maximum Operating Temperature Fahrenheit 180 Maximum Working Pressure BAR 27 This 4 inch reduced pressure zone assembly backflow preventer helps prevent the reverse flow of fire protection substances and water of non potable quality from being pumped or siphoned into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements Specifications Brand Watts Buy American Act Compliant NO EAN 098268093155 Lead Free NO Part Number 0820982 Series G4000 FDA Specification Sheet G4000 FDA Features Cast iron