Watts 757N-OSY 10 - Part of the 757 Series inlet-protection-finder and driveways with the Mini

and driveways with the Mini Channel Drain

support flange

This Watts high volume roof drain body is engineered with epoxy coated cast iron for long life and durability

and regular use in wet environments with materials selected for durability and corrosion resistance

Watts 757N-OSY 10 - Part of the 757 Series inlet-protection-finder and driveways with the MiniThis 10 inch lead free double check valve backflow preventer assembly is designed to prevent the reverse flow of contaminated water of non potable quality from being pumped or siphoned into the potable contaminated water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and contaminated water authority requirements. It is ideal for protection at cross connections identified as non health hazards and from other