Watts 4 957-OSY-IOT - Part of the 957 Series inlet-protection-finder UPC - 098268594386

UPC - 098268594386

Piston Diaphragm Assembly

UPC - 098268652581

Specifications Compatible Series or Model 719 Compatible Size Used On 1/2 IN to 3/4 IN Kit Contents 2 First or Second Check Repair Kits Kit Type Total Repair Kit Lead Free YES Product Group BACKFLOW KITS UPC - 098268538168

Watts 4 957-OSY-IOT - Part of the 957 Series inlet-protection-finder UPC - 098268594386This 4 inch reduced pressure zone assembly backflow preventer with SentryPlus Alert technology with automatic shutoff ACV for flood detection and prevention is designed to prevent the reverse flow of contaminated 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, as well as provide continuous monitoring and multi channel