Watts 757-DOSY 3 - Part of the 757 Series Basement Window Well Roll heights range from 10”

Roll heights range from 10” to 60” with the lengths mainly being 100’ with a few rolls being 80’ in length

offering strength and flexibility with a scrim-reinforced structure that resists tears and punctures

Deep Profile Channel is 10-1/2 in

Provides essential secondary drainage during heavy rainfall

Specifications Body Material Lead Free Copper Alloy Brand Watts Buy American Act Compliant YES EAN 098268582987 Inlet Connection Size 3/4 IN Inlet Connection Type Male Threaded Inlet Thread Type NPT Lead Free YES Maximum Working Pressure-PSI 150 Outlet Connection Size 3/4 IN Outlet Connection Type Female Threaded Outlet Thread Type NPT Part Number 0121327 Pressure Range 75 to 150 PSI Pressure Relief Setting-PSI 100 Series LF3L Specification Sheet - LF3L

Watts 757-DOSY 3 - Part of the 757 Series Basement Window Well Roll heights range from 10”This 3 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 under continuous pressure service and protection at cross connections identified as non health hazards and from other non