Have You Flushed Your Tankless Water Heater Lately?

April 28, 2025

Flushing your tankless water heater annually is important because it helps prevent mineral buildup and scale on the internal parts of the heater. Over time, calcium and lime deposits can accumulate inside the heat exchanger, reducing efficiency and potential causing damage and shortening the life span of the tankless heater. Most manufacturers recommend flushing the unit out at least once per year and if your area gets particularly if the water is hard in your area.

Regular yearly flushing:

1. Maintains efficiency – Mineral buildup forces the heater to work harder, increasing energy consumption.

2. Extends the Lifespan – Keeping the system clean helps prevent costly repairs, decreases premature part failures and overall keeps your tankless running until its expected lifespan

3. Ensures Proper Water Flow – Scale buildup can restrict water flow leading to inconsistent water temperatures and possibly signal the unit not call for hot water when needed.

4. Prevents Overheating – Excessive scaling can cause the heat exchanger to overheat and fail.

If you need a tankless water heater flush service please give us a call at 843-978-0605

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