Temperature and Pressure Relief Valve Valve Body Material Brass Compatible Manufacturer Part Number Fits most Rheem tank water heater models Inlet Connection Size 3/4 in Inlet Connection Type NPT Maximum Operating Pressure 150 psi Maximum Operating Temperature 210 Degrees F Outlet Connection Size 3/4 in Outlet Connection Type NPT Overall Height 7.25 in Overall Length 7.25 in Overall Width 3.9 in Compatible Grainger Part Number 15A518 2LAC9 2LAD1 3WA54 4FTP5 4FTP6 5AU60