Anode Rod, Magnesium, Hex Plug, 3/4 X 14 Inch

NBK-20964 – Anode Rod, Magnesium, Hex Plug, 3/4″ x 14″ – AO Smith EquivalentThe NBK-20964 Anode Rod is a magnesium hex plug-style rod measuring 3/4″ x 14″, designed to protect residential water heaters from rust and corrosion. Fully equivalent to AO Smith part numbers 100111374 and 548209, this high-quality replacement provides exceptional protection and performance—ideal for systems using soft or neutral water.Key Features• Magnesium Protection – Provides superior cathodic protection by attracting corrosive ions before they reach the tank lining• Compact Size – Perfect for tight or low-clearance installations• Hex Plug Design – Installs easily using a standard socket wrench• Long-Lasting Performance – Durable magnesium construction ensures maximum corrosion resistance• OEM-Compatible Replacement – Matches AO Smith 100111374 and 548209 specificationsSpecifications• SKU: 20964• Category: Water Heater Parts / Anode Rods• Material: Magnesium• Type: Hex Plug• Dimensions: 3/4″ Diameter x 14″ Length• OEM Brand: AO Smith• Replaces OEM Parts: 100111374, 548209• Compatibility: Fits select AO Smith and compatible residential water heatersEquivalent ToAO Smith:100111374548209Why Choose the NBK-20964?Protect your water heater investment with the NBK-20964 Magnesium Anode Rod. Its compact, hex plug design allows easy installation in tight spaces, while the magnesium construction offers strong corrosion resistance—especially effective in soft water environments. A simple, cost-effective way to extend the lifespan and performance of your AO Smith water heater.Shipping & AvailabilitySpecial order item from NBK. Please allow 1–2 business days for processing before shipment.