Watts 957-OSY-FXG 3 - Part of the 957 Series Sheet Drain watertight connection to the roofing

watertight connection to the roofing system

Build your custom Mini™ Channel drainage system quickly and easily with the Mini Channel Drain Coupling

UPC - 098268432879

Z551-4NH-SS

UPC - 098268162394

Watts 957-OSY-FXG 3 - Part of the 957 Series Sheet Drain watertight connection to the roofingThis 3 inch reduced pressure zone assembly backflow preventer helps prevent the reverse flow of fire protection substances and 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. This extremely compact and lighter than a traditional designed assembly is approved for horizontal installation as long