Originally Posted by campnqueen
What? you don't know WHAT the anode is for? and don't use one? REALLY? You MUST have lots of money to spend... because you will be replacing you water heater sooner than later.
The anode rod or sacrificial anode is the important component part with only one purpose; to protect metal tank from corrosion.
Water Heater Anode Rod - Sacrificial Anode Replacement
Atwood water heaters don"t require anode rods (it was a surprise to me also) just a plastic plug. I guess cause there aluminum