Watts 757-OSY-GXG 4 - Part of the 757 Series ZA100F-4NH The Zurn Z1464 is a

The Zurn Z1464 is a heavy-duty access cover designed for commercial and industrial cleanout and drainage access applications where a robust

The grate has an NDS Class B load rating when properly installed

2 Cover O-rings Kit Type Complete Rubber Parts Kit Lead Free YES Product Group BACKFLOW KITS UPC - 098268399738

UPC - 098268559668

Watts 757-OSY-GXG 4 - Part of the 757 Series ZA100F-4NH The Zurn Z1464 is aThis 4 inch lead free double check valve backflow preventer assembly is designed to prevent the reverse flow of 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 and from other contaminants found at the service line