Anode Rod, Aluminum/Zinc, Hex Plug, 42 Inch – Blue Lightning | NBK-20953

NBK-20953 – Anode Rod, Aluminum/Zinc, 42 Inch – Blue Lightning Equivalent - HEX PLUG HEAD TYPE WITH 3/4 INCH MALE THREAD

The NBK-20953 Anode Rod is a 42-inch aluminum/zinc hex plug-style replacement rod designed to protect residential water heaters from internal corrosion. Equivalent to Blue Lightning part number 1027400, this sacrificial anode rod extends the lifespan of your water heater by neutralizing corrosive minerals inside the tank—especially effective in areas with hard or sulfur-rich water.

Key Features

• Corrosion-Fighting Protection – Aluminum/zinc alloy attracts and absorbs corrosive elements to prevent tank damage
• Hex Plug Design – Easy to install or replace using a standard socket wrench
• Odor Reduction – Zinc content helps minimize the “rotten egg” smell caused by sulfur bacteria in water
• Extended System Life – Preserves the integrity of the tank liner for long-term reliability

Specifications

• SKU: 20953
• Category: Water Heater Parts / Anode Rods
• Material: Aluminum/Zinc Alloy
• Type: Hex Plug
• Length: 42 Inches
• OEM Brand: Blue Lightning
• Replaces OEM Part: 1027400

Equivalent To

Blue Lightning: 1027400

Why Choose the NBK-20953?

Protect your water heater and extend its service life with the NBK-20953 Aluminum/Zinc Anode Rod. Its corrosion-resistant alloy and hex plug design make installation simple while effectively combating odor and rust. Ideal for homeowners dealing with hard or sulfur-rich water, this rod provides dependable protection and cost-saving performance.

Shipping & Availability

Special order item from NBK. Please allow 1–2 business days for processing before shipment.