Watts 757-NRS-GXG 6 - Part of the 757 Series Window Well Cover ZB415B-3NL

ZB415B-3NL

Its white porcelain-enameled cast iron bowl provides a smooth

Nickel-bronze or stainless-steel grate to handle pedestrian traffic and debris protection

UPC - 098268346756

Watts 757-NRS-GXG 6 - Part of the 757 Series Window Well Cover ZB415B-3NLThis 6 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