Watts LFM115 GRV E 2 30 PI 3 Part of the LFM115 Series dura skrim selector Specifications Body Material Bronze Brand Specifications Body Material Bronze Brand Watts EAN 098268580709 Inlet Connection Size 1 1 4 IN Inlet Connection Type Female Threaded Inlet Thread Type NPTF Lead Free NO Maximum Working Pressure PSI 35 Outlet Connection Size 1 1 4 IN Outlet Connection Type Female Threaded Outlet Thread Type NPTF Part Number F275617 Pressure Range Does Not Apply To Product Pressure Relief Setting PSI 45 Series 174A Specification Sheet 174A This 1 2 inch lead free dual check valve backflow preventer with atmospheric vent prevents the reverse flow of hot or cold polluted water from entering into the potable water supply and position indicator Specifications Adjustable Reduced Pressure Range 2 30 psi Adjustable Reduced Pressure Range BAR 0