Watts LF07S 0122588 1 inch Female Lead Free Bronze Body Dual Check Residential Fire Sprinkler System Backflow Preventer

This lead free dual check valve prevents the reverse flow of polluted water from residential fire sprinkler systems from entering into the potable water supply. It consists of a bronze body construction with dual check valves, silicone seat discs, and identification tag. The valve offers low pressure drop, easy maintenance and service, and is designed for non-health hazard residential sprinkler systems at the water meter or service entrance. Check with local inspection authorities for installation requirements.