I am replacing an 11 year old Maytag (by State) 50 Gallon Gas Atmospheric water heater that has 52,500 BTU/H with First Hour Rating of 96 and Recovery of 60.1. Any suggestions on an appropriate replacement which will give me similar performance. This has been a very reliable heater but it is at the end of its expected life. Provides plentiful hot water. Love this forum (pardon the pun). It has been very helpful in the past.