Watts LF709-DOSY 3 - Part of the LF709 Series Strata Systems they are suitable for sidewalks

they are suitable for sidewalks

or use of a gauge

5 to 23 GPM Hot Inlet Temperature Range 120 to 200 degree F Hot Water Inlet Connection Size 1 IN Hot Water Inlet Connection Type Union Solder Hot Water Inlet Thread Type Does Not Apply To Product Maximum Working Pressure-PSI 150 Minimum Differential Temperature-Fahrenheit 5 Minimum Static Pressure-PSI 30 Outlet Connection Size 1 IN Outlet Connection Size-Metric 25 MM Outlet Connection Type Union Solder Outlet Temperature Accuracy +/- 3 degree F Outlet Thread Type Does Not Apply To Product Temperature Adjustment Range 60 to 120 degree F Wi-Fi Enabled No Specification Sheet - LF1170 and LFL1170

Dura-Coated Cast Iron Body with Bottom Outlet: Offers strength

Watts LF709-DOSY 3 - Part of the LF709 Series Strata Systems they are suitable for sidewalksThis 3 inch lead free double check valve backflow preventer assembly is designed to prevent the backflow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure. Its compact modular design facilitates easy maintenance with a single access cover for in line repairs. It is ideal for protection in continuous pressure piping applications and at cross connections identified as non health hazards. This assembly