Watts 757-OSY-GXG 2 1/2 - Part of the 757 Series ZC100F-2NH This commercial grade fabric is

This commercial grade fabric is tear resistant

The iron frame is painted black to inhibit rust and will form a protective iron-oxide patina over time

UPC - 098268589566

Specifications Lead Free YES Product Group BACKFLOW KITS UPC - 098268044942

It is an ASME Section VIII fixed bladder type precharged expansion tank

Watts 757-OSY-GXG 2 1/2 - Part of the 757 Series ZC100F-2NH This commercial grade fabric isThis 2 1 2 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