Watts 709DCDA-LF-GPM 4 - Part of the 709DCDA Series Strip Drian This 2 1/2 inch stainless

This 2 1/2 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

ensuring reliable performance in demanding environments

ensuring long-lasting protection for your plants and landscape

or decorative floor surfaces without disruptive height transitions

Watts 709DCDA-LF-GPM 4 - Part of the 709DCDA Series Strip Drian This 2 1/2 inch stainlessThis 4 IN double check detector backflow preventer assembly prevents backflow of non health hazard fire protection system substances from being pumped or siphoned into the potable water supply. It incorporates a gallons per minute meter to detect ground leaks and unauthorized illegal taps, greatly reducing annual water expenses. It consists of a fused epoxy coated cast iron body construction. Its modular check design facilitate simple and easy