How Often Should You Flush Your Water Heater and Why It Matters

Hard water is a quiet culprit behind many common plumbing issues, and your water heater is often the first to feel its effects. Over time, minerals and sediment collect at the bottom of the tank, forcing your system to work harder than it should. For homeowners in Rosedale, CA, where mineral-heavy water is common, regular flushing isn’t optional—it’s essential maintenance that can help you avoid premature water heater replacement and keep your system running efficiently.

The Consequences of Skipping Maintenance

When sediment builds up, it creates a barrier between the burner and the water, which reduces efficiency and raises your energy bills. It can also lead to rumbling noises, poor hot water supply, and, eventually, corrosion inside the tank. Many calls for water heater repair in Rosedale, CA stem from issues that could have been prevented with consistent flushing. And once corrosion takes hold, flushing won’t fix it—you’re likely looking at a full water heater replacement.

How Often Is “Regular”?

For most homes, flushing once a year is the sweet spot. However, if you have a tank-style system and live in an area with hard water, flushing every six months is worth considering. Tankless water heater models aren’t immune either. Though they don’t store water in the same way, they still need maintenance to remove mineral buildup in the heat exchanger. If you’re not sure what your unit needs, a quick consultation with a professional can clarify your system’s ideal schedule.

Flushing Is Just One Piece of the Puzzle

Routine flushing is part of a broader need for consistent water heater services. If your heater hasn’t been inspected in a while, it might not be running as safely or as efficiently as it should. A technician can check for signs of wear, corrosion, or failing components. If you’re considering switching systems or upgrading an older unit, modern options, including the latest tankless water heater models, can improve efficiency while saving space.

Whether you need maintenance, a new water heater installation, or help with a leak or pilot light issue, The Plumbing Doc is here to help.

Contact our team today to schedule a service and keep your hot water running strong.