Anvil 0312822166 Metal Pipe Union Straight, 1 1 2 in x 1 1 2 in, Threaded x Threaded, Class 150, 300 psi @ 150° F, Malleable Iron, Black G6295339 000 W Element Material Stainless 000 W Element Material Stainless Steel Water Connection Location Side Thermostat Mounting Surface Thermal Efficiency 98 % Hot Outlet Type NPT Market Commercial Included Valves Temperature and Pressure Relief Automatic Thermostat Yes Stainless steel body wash guns are corrosion resistant and more durable than bronze and aluminum Threaded pipe fittings are easier to disassemble than unthreaded fittings Material Malleable Iron Fitting Shape Union Color Black Connector Type Union Class Class 150 For Pipe Schedule Schedule 40 Maximum Operating Pressure 300 psi @ 150° F Fitting Side 1 Female 1 1 2 in NPT Threaded Fitting Side 2 Female 1 1 2 in NPT Threaded For Media Type Air