Florida Home Inspector Practice Test 2025 – Comprehensive Exam Prep

Question: 1 / 400

What is the primary function of the anode rod in a water heater?

Enhances heating efficiency

Provides insulation

Protects the tank from corrosion

The primary function of the anode rod in a water heater is to protect the tank from corrosion. The anode rod, typically made of magnesium, aluminum, or zinc, is designed to corrode instead of the metal tank itself. This sacrificial process extends the lifespan of the water heater by preventing rust and corrosion within the tank. As the rod slowly deteriorates, it attracts corrosive elements in the water, effectively reducing the risk of damage to the tank's structure.

While enhancing heating efficiency, providing insulation, and regulating water pressure are important aspects in the overall operation of a water heater, they do not pertain to the main role of the anode rod, which is specifically focused on corrosion prevention to maintain the integrity of the water heater.

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Regulates water pressure

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