Originally Posted by DebW
I was told by Greg the gentleman that use to own J&R NOT to use the anode rod in the Atwood water heater. Supposedly it's not needed in the Atwood water heater and the two different metals will react with one another and you'll almost destroy it trying to remove the anode rod because the two metals will freeze together.
That is correct. Atwoods are not designed to use anode rods.
Suburbans, on the other hand, require an anode rod. Without an anode rod, the suburban tank will eventually be destroyed.