Maximizing Your Investment: Maintenance Tips for Tankless Water Heaters

Tankless water heaters are known for their energy efficiency, compact design, and ability to provide hot water on demand. However, like any home appliance, they require regular maintenance to keep them functioning optimally and to maximize their lifespan. Proper upkeep can not only extend the life of your tankless water heater but also ensure it consistently delivers reliable hot water. Here are some essential maintenance tips to keep your tankless water heater in top shape.

1. Flush Out Mineral Buildup
One of the most important maintenance tasks for tankless water heaters is flushing the system to remove mineral buildup. Over time, minerals, particularly calcium and magnesium, can accumulate inside the unit, especially if you live in an area with hard water. This buildup can reduce efficiency and restrict water flow, straining the heater. To prevent this, it’s recommended to flush the unit once or twice a year. You can do this by connecting a pump to the heater and circulating a vinegar solution through the system for about an hour. Many homeowners prefer to hire a professional to handle this task, as it requires proper equipment and expertise.

2. Check for Leaks and Inspect Fittings
Periodically inspect your tankless water heater for any signs of leaks or loose fittings. Leaks, even minor ones, can lead to water damage and may cause the unit to work harder than necessary. Pay special attention to the connections and valves; if they feel loose, carefully tighten them. Checking for leaks every few months can help you catch issues early before they become bigger (and costlier) problems.

3. Keep Air Vents and Exhaust Clean
Tankless water heaters typically have vents or exhaust pipes that require adequate airflow to operate efficiently. Blocked vents can lead to overheating and cause the system to shut down. Ensure that nothing is obstructing the vents and, if necessary, clean them out to remove dust and debris. If your unit is installed outdoors, be mindful of leaves, snow, or other potential obstructions that could block ventilation.

4. Descale the Heater if Necessary
If your tankless water heater is exposed to hard water, descaling is an additional maintenance task that may be necessary. This involves using a descaling solution to break down any stubborn mineral deposits that may have built up. Regular descaling can help prevent clogging and maintain efficient water flow.

Invest in Regular Professional Maintenance

While many maintenance tasks can be done on your own, scheduling a professional inspection at least once a year can be beneficial. Professionals can catch issues that may be missed during routine checks and perform deeper cleanings as needed.

Enjoy Reliable, Efficient Hot Water for Years to Come

With regular maintenance, your tankless water heater will continue to run efficiently and provide consistent hot water on demand. By investing time in these upkeep tasks, you’ll enjoy greater peace of mind, knowing that your heater will serve you well for years to come.

Call us at Mathis Plumbing & Heating Co., Inc. when you need a Greenwood plumber. Contact us and let us help you decide about and take care of your tankless water heater.