Magnesium Anode Rod 3/4 NPT 4-Section Water Heater – B15C

B15C Four-Section Magnesium Anode Rod – 3/4" NPT Water Heater Protection

Keep your water heater running efficiently and extend its lifespan with the B15C Magnesium Anode Rod. Engineered from high-quality magnesium alloy, this sacrificial anode rod actively attracts corrosive minerals in your water supply, protecting the inner tank lining from rust and deterioration. Say goodbye to unpleasant sulfur odors from your hot water tank — this anode rod neutralizes the conditions that cause that notorious rotten-egg smell.

Key Features

• Universal Compatibility: Fits virtually all water heaters equipped with a standard 3/4" NPT anode rod port, including A.O. Smith and most major brands.
• Four-Section Hinged Design: The 44-inch rod is cleverly divided into four sections, each under 12 inches, making installation easy even in tight spaces with limited overhead clearance.
• Eliminates Odors: Actively neutralizes the sulfur-producing bacteria responsible for unpleasant smells in your hot water supply.
• Extends Tank Life: Acts as a sacrificial barrier, drawing corrosive elements away from your tank walls to significantly extend the life of your water heater.
• Cost-Effective Maintenance: Simply replace every 2 years to protect your investment and avoid expensive tank replacements.
• Quality Materials: Crafted from premium magnesium alloy with a clean silver finish for durability and effective electrochemical protection.
• Thread Specs: 3.5-inch threaded connection; requires a 1-1/16" socket for installation (not included).

Specifications

Package Contents

• 1 × Magnesium Anode Rod (4-section, hinged)
• 1 × Teflon Tape
• 1 × Sleeve (select packages)

Note: Due to screen settings and lighting, the actual product color may vary slightly from images. Measurement tolerance: ±1–3 cm.

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Frequently Asked Questions

Q: What size socket do I need to install this magnesium anode rod?

A: You will need a 1-1/16 inch socket to install this anode rod. The socket is not included in the package, so please have one on hand before beginning installation.

Q: How often should I replace the magnesium anode rod in my water heater?

A: It is generally recommended to inspect and replace your water heater's magnesium anode rod every 2 years. Regular replacement helps maintain optimal protection for your tank and ensures consistently fresh, odor-free hot water.

Q: Will this anode rod fit my water heater brand?

A: The B15C anode rod is designed to be compatible with virtually all standard water heaters that use a 3/4" NPT anode rod fitting, including popular brands like A.O. Smith and most heat pump water heater models. Always check your water heater's manual to confirm the fitting size before purchasing.

Q: What is the benefit of the four-section hinged design?

A: The four-section hinged design allows the 44-inch anode rod to be installed in spaces with limited vertical clearance — such as water heaters installed in low-ceiling utility closets or tight mechanical rooms. Each section is under 12 inches, making maneuvering and threading the rod into the tank much easier.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.