| WATTS 1 1/2 740-050 Safety Relief Valve,1-1/2 x 2 In,50 psi Safety Relief Valve, Body Material Iron, Inlet Type FNPT, Outlet Type FNPT, Inlet Size 1 1/2 in, Outlet Size 2 in, Factory Set Pressure 50 psi, Pressure Range 30 to 75 psi, 4,237,000 BtuH, Disc Material Silicone, Overall Height 9 1/4 in, Application... ... more WATTS 1 1/2 740-050 Safety Relief Valve,1-1/2 x 2 In,50 psi Safety Relief Valve, Body Material Iron, Inlet Type FNPT, Outlet Type FNPT, Inlet Size 1 1/2 in, Outlet Size 2 in, Factory Set Pressure 50 psi, Pressure Range 30 to 75 psi, 4,237,000 BtuH, Disc Material Silicone, Overall Height 9 1/4 in, Application... | | $722.99 go to store |