Anode Rod, Magnesium, Hex Plug, 3/4" x 14" – AO Smith | NBK-20964

NBK-20964 – Anode Rod, Magnesium, Hex Plug, 3/4" x 14" – AO Smith – Special Order

The NBK-20964 Anode Rod is a magnesium hex plug-style rod measuring 3/4" x 14", designed to prevent corrosion and extend the life of residential water heaters. This high-quality replacement is fully equivalent to AO Smith part numbers 100111374 and 548209, providing exceptional protection in systems using soft or neutral water.

⚠️ SPECIAL ORDER NOTICE: This is a special order item sourced from NBK. Please allow 1–2 business days for processing prior to shipment.

Key Features

✅ Magnesium Protection: Offers strong cathodic protection by attracting corrosive ions before they reach your tank
✅ Compact Size: Ideal for tight or low-clearance installations
✅ Hex Plug Design: Easily installs using a standard socket wrench

Specifications

📌 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

Equivalent To

AO Smith:

• 100111374

• 548209

Why Choose the NBK-20964?

The NBK-20964 is the ideal solution for homeowners looking to prevent water heater corrosion in smaller tanks or spaces with restricted access. Its magnesium construction ensures strong corrosion resistance, especially in homes with soft water. A simple and effective upgrade to protect your investment.

Shipping & Availability

🚚 Special order from NBK. Please expect a 1–2 business day processing delay before shipping.