SUBURBAN RV SUBURBAN MFG SUBURBAN 233516 ALUMINUM ANODE ROD FOR WATER HEATERS|233516

Anode rods preserve the life of a water heater by corroding themselves so the water heater doesn't. Simply replace the 3/4 Inch pipe thread head drain plug with the anode rod to protect the tank. Compatibility  Suburban Aluminum Water Heaters Length (IN)  9 Inch, Thread Size 3/4 Inch Material  Magnesium Absorbs The Electrolytical Action - Just Like Your Water Heater At Home