Pressure Relief Valve Body Material Brass Inlet Type NPT Outlet Type FPT Inlet Size 1/2 in Outlet Size 1/2 in Factory Set Pressure 125 psi Pressure Range 75 to 125 psi Disc Material Buna-N Overall Height 2 7/8 in Application Domestic Storage Tanks Tankless Water Heaters Spring Material Stainless Steel Temp Range 180 Degrees F Test Lever No Compliance BAA Compliant CSA Standards BAA Compliant CSA