American Motorhome RV Atwood Water Heater Drain Bungs (Pair) 91857.
Atwood Water Heater Drain Bungs (Pair). Drain Your Water Heater At Least Once Every 3 Months, This Will Get Rid Of Any Minerals Left In The Tank Which Can Cause Corrosion And Will Also Help Prevent The “Scaling Up” Of Your Tap Outlets.