• Bronze body Furnished with a gallon per minute meter Replaceable seats and discs No special tools are required for servicing Grooved end connections

This 2 inch double check detector backflow preventer assembly is designed to 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. It is ideal for protection at cross-connections identified as non-health hazards such as on fire protection systems and from other contaminants found at the service line entrance. This compact modular design with a single access cover for easy maintenance is approved for horizontal and vertical flow up installation. It consists of a bronze body, captured spring check valves, gear operated slow close isolation valves, two pre-wired tamper switches, grooved ends, and four test cocks. It comes with a gallons per minute meter to detect underground leaks and unauthorized water use.