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11/Jan/2025

Why Do Tankless Water Heaters Need Maintenance From Sediment And Hard Water Mineral Buildup?

Sediment and mineral buildup is one of the common water heater problems, especially in homes that lack water softeners and filters. There’s a misconception out there that this problem only affects storage water heaters. The truth is, even tankless water heaters can experience mineral buildup, albeit in different ways. This buildup can reduce your water heater’s efficiency, impact water quality, and shorten the appliance’s lifespan. It’s advisable to flush your tankless water heater at least once a year.

There are many benefits that come with flushing your tankless water heater regularly. Today, Mr. Rooter Plumbing explains why tankless water heaters need maintenance from sediment and hard water mineral buildup. We are the plumbing contractors you can turn to when you need professional water heater repair and replacement in Rockwall, TX.

Reduce Mineral Buildup

Hard water contains minerals like calcium and magnesium. These minerals can accumulate inside the heat exchanger and other components of your tankless water heater. Flushing your tankless water heater at least once a year removes this buildup to maintain optimal efficiency and prevent damage.

Boost Efficiency

Mineral buildup forces your tankless water heater to work harder to heat water. This leads to increased energy consumption and higher utility bills. Flushing improves efficiency, saving you money on energy costs.

Keep Water Flowing Smoothly

Mineral buildup doesn’t just affect heating elements—it can also restrict water flow through your tankless water heater. This can result in weak water pressure and uneven heating. Regular cleanings and descaling keep the water flowing freely and ensure that your system provides consistent, reliable hot water whenever you need it.

Make Your Water Heater Last Longer

Tankless water heaters are an investment, and proper maintenance can extend their lifespan. Without regular cleaning, sediment and minerals can cause corrosion, clogging, and wear on internal components. Keeping your heater in top condition with routine maintenance allows you to avoid premature water heater replacement and enjoy many years of dependable performance.

Keep Your Warranty Valid

Most manufacturers of tankless water heaters require regular maintenance to keep the warranty valid. If sediment or mineral buildup causes damage and there’s no record of professional servicing, you may end up footing the water heater repair bill yourself. Routine maintenance protects your investment and keeps your warranty intact while also keeping your water heater in top condition. It’s important to understand your water heater warranty inside and out so that you’re not caught off-guard.

Prevent Unexpected Problems

A neglected tankless water heater can develop leaks, clogs, or even system failure when you least expect it. Regular maintenance helps catch potential issues early and reduces the chances of costly plumbing emergencies. When you address minor problems before they escalate, you can keep your water heater running smoothly and avoid inconvenient disruptions to your hot water supply.

Get Cleaner, Better-Tasting Hot Water

Mineral buildup and sediment can affect the quality of your hot water, sometimes leaving it with a metallic taste or cloudy appearance. Regular maintenance flushes out these impurities to ensure your water is clean and safe for everyday use.

Trust Mr. Rooter Plumbing for Professional Water Heater Services

If your water heater has reached the end of its lifespan or it’s experiencing recurring problems, it may be time to consider water heater replacement. Trust the team at Mr. Rooter Plumbing to install a new, efficient water heater that will serve you for many years to come. Contact us for all of your residential and commercial water heater needs.

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