Watts LFF127W 206 3 Part of the LFF127W Series Tactile Paving This 1 2 inch dual check This 1 2 inch dual check valve backflow preventer with intermediate atmospheric vent helps prevent the reverse flow of hot or cold polluted water from entering into the potable water supply Specifications Body Material Stainless Steel Brand Watts Buy American Act Compliant NO EAN 098268634365 Hydronic Item Type Steam Trap Inlet Connection Size 1 2 IN Inlet Connection Size Metric 15 MM Inlet Connection Type Female Threaded Inlet Thread Type NPT Lead Free NO Maximum Operating Temperature Fahrenheit 800 Maximum Pressure PSI 600 Maximum Steam Pressure PSI 600 Maximum Temperature Fahrenheit 800 Maximum Working Pressure PSI 600 Minimum Working Pressure PSI 3 Remote control type regulator The maximum working pressure is 175 psi (12