Rheem 0.840 x 54" Magnesium R-Tech Anode Rod

0.840x 54" Magnesium R-Tech Anode Rod Special Anode Rod for applications where access to the top of tank is restricted (such as when the water heater is installed underneath a staircase or in a crawlspace). Flexible rod links allow the rod to be fed into the tank opening in these low clearance installations. Links can be removed for shorter tanks Patented R-Tech resistored design for longer tank life Features: Anodic Material: Magnesium Total Length (in.): 54 Rod Diameter (in.): 0.840 Hex Head Size (in.): 1-1/16 Thread Size - NPT (in.): 3/4 Resistored: Yes