Description

NBK-20964 Anode Rod, Magnesium, Hex Plug, 3/4″ x 14″ AO Smith Equivalent

The 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 performanceideal 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 specifications

Specifications

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 heaters

Equivalent To

AO Smith:

  • 100111374
  • 548209

Why 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 resistanceespecially effective in soft water environments. A simple, cost-effective way to extend the lifespan and performance of your AO Smith water heater.

Shipping & Availability

Special order item from NBK. Please allow 12 business days for processing before shipment.