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ZM415BS-2IP
This 4 inch flow measurement valve monitors system flow in medium to high flow rate HVAC units
860 pounds per hour at 15 PSI Protection Type Pressure Series 415 Specification Sheet - 415
and irrigation management systems (IMS)
and filtration
Watts 757-DNRS 3 - Part of the 757 Series Inserta Tee ZM415BS-2IPThis 3 inch stainless steel double check valve backflow preventer assembly is designed to prevent the reverse flow of objectionable but not toxic water 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