Watts 774-LF 10 - Part of the 774 Series Pipe Connection Fitting The domes are commonly detected

The domes are commonly detected when stepped on or when encountered with a walking cane

and they alert blind or visually impaired persons that there is either a crosswalk or a walkway transition nearby

The TS-OSY supervisory switch is UL Certified

Specifications Adjustable Reduced Pressure Range 20-175 psi Adjustable Reduced Pressure Range-BAR 1

Watts 774-LF 10 - Part of the 774 Series Pipe Connection Fitting The domes are commonly detectedThis 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 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