Watts 774-LF 4 - Part of the 774 Series dura-skrim-selector providing extensive coverage and durability

providing extensive coverage and durability with dimensions of 150' long and 36" wide (50 sq yds)

ASSE approved and IAPMO listed

The maximum working pressure is 250 psi (17

Designed to capture perimeter seepage and maintain drainage integrity

UPC - 098268653359

Watts 774-LF 4 - Part of the 774 Series dura-skrim-selector providing extensive coverage and durabilityThis 4 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 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 hazard applications and from other contaminants