Watts 757-NRS-GXG 6 - Part of the 757 Series Window Well Cover The maximum working pressure is

The maximum working pressure is 300 psi (21 bar)

7 Body Material Iron Brand Watts Corrosion Resistant Coating No Disc Material Silicone EAN 098268025552 Environmental Product Declaration No Gauge Option No Gauge Inlet Connection Size 1/2 IN Inlet Connection Type Union Solder Inlet Thread Type Does Not Apply To Product Lead Free NO Maximum Operating Temperature-Celsius 100

Z195-12IC-G

Its heavy-duty cast-iron design

This 1 inch lead free reduced pressure zone backflow preventer assembly is designed to prevent the flow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements

Watts 757-NRS-GXG 6 - Part of the 757 Series Window Well Cover The maximum working pressure isThis 6 inch lead free double check valve backflow preventer assembly is designed to prevent the reverse flow of 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. It is ideal for protection at cross connections identified as non health hazards and from other contaminants found at the service line