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Sediment and mineral buildup from hard water can settle at the bottom of your water heater tank. This reduces heating efficiency and causes overheating, which stresses the tank. To prevent this, flush the tank at least once per year. Attach a hose to the drain valve, empty the water into a bucket or outside, and refill. This is one of the most effective ways to extend the life of your water heater.
The anode rod attracts corrosive elements, protecting the tank’s interior from rust. Over time, the rod depletes. Check it every 2–3 years and replace it when it’s more than 50% corroded. This small part plays a big role in extending water heater life.
Setting your water heater too high not only wastes energy but also accelerates wear on internal parts. Keeping it at 120°F is hot enough for household use while reducing stress on your system and lowering your energy bill.
The T&P valve prevents your tank from over-pressurizing. Lift the valve lever occasionally to ensure water flows freely from the discharge pipe. If it doesn’t, replace the valve. This is a key safety check for maintaining a healthy water heater.
Use insulation blankets around the tank (if it’s older) and foam pipe insulation on exposed hot water lines. This reduces heat loss, improves efficiency, and helps the system run less often—all of which can contribute to extending the life of your water heater.
Inspect the area around your heater regularly for signs of moisture, rust spots, or corrosion. Early detection allows you to address small issues before they become major plumbing problems.
Tankless systems have fewer parts but still require maintenance:
The typical lifespan of a tank water heater is 8–12 years, while tankless units may last up to 20 years with proper care. Regular maintenance can easily extend the functional life by 3–5 years or more, depending on usage and water quality.
If you notice these symptoms, contact a licensed plumber to assess whether repair or replacement is the best option.
Zenon Plumbing offers water heater inspections, maintenance, repairs, and replacements across Los Angeles. Don’t wait for your heater to fail—book a professional tune-up today to extend the life of your water heater. Use our online appointment form for fast, reliable service.
At least once per year. More frequently if you have hard water or notice sediment in the tank.
120°F is ideal for energy efficiency and safe water usage.
Yes, they should be flushed annually and filters cleaned every 6–12 months to prevent buildup and maintain efficiency.
Some tasks like flushing or inspecting parts can be DIY, but more complex issues (like replacing anode rods or checking gas connections) are best left to professionals.
