Package was opened, but the valve was not used. Teflon tape has been factory pre-applied to the threads.  

• For best results, use only Rheem replacement parts for repairing your Rheem Water Heater
• Maximum Temperature Setting (Deg. F): 210, Maximum Pressure Setting (psi): 150, CSA Capacity (BTU/HR): 105,000, Inlet Thread Size - NPT (in.): 3/4
• Outlet Thread Size - NPT (in.): 3/4, Overall Length (in.): 7-1/4, Body Length (in.): 3-1/4, Sensor Length (in.): 4
• Kits which contain this part: 45W613