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promenade top for paver areas on roof systems
This pressure relief valve has a 2 inch NPTF female inlet and outlet and a 85 psi pressure relief setpoint
it has a 100 year material lifespan
Suitable for large-scale commercial or industrial floor applications requiring durable drainage
Watts 757-OSY-GXG 10 - Part of the 757 Series nwgf promenade top for paver areasThis 10 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
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