Water Heater Maintenance Checklist: Keep Your System Running Efficiently
Your water heater is an essential appliance that provides hot water for showers, laundry, dishwashing, and cleaning. To ensure it functions efficiently and lasts as long as possible, regular maintenance is crucial. In this article, we’ll walk you through a comprehensive checklist to help keep your water heater in top condition.
1. Perform a Visual Inspection
Start by checking your water heater for signs of leaks, rust, or corrosion on the tank and connections. If you notice any issues, address them promptly to prevent further damage.
2. Check the Pressure Relief Valve (PRV)
The PRV is a safety feature that releases excess pressure to prevent explosions. To test it:
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Place a bucket under the discharge pipe.
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Lift the valve’s lever for a few seconds to release water.
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If water flows into the bucket, the valve is functioning correctly. If not, consider replacing it or consulting a professional.
3. Drain and Flush the Tank
Over time, sediment buildup can reduce efficiency and damage heating elements. To flush the tank:
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Turn off the power supply (electric or gas).
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Attach a garden hose to the drain valve at the tank’s base.
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Open a hot water faucet in your home to allow airflow.
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Open the drain valve and empty the tank completely.
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Close the drain valve, disconnect the hose, refill the tank, and restore power.
This should be done once a year or as recommended by the manufacturer.
4. Test the Temperature & Pressure (T&P) Relief Valve
The T&P relief valve is another essential safety component. To test it:
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Lift the lever to release water.
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Water should flow smoothly into a bucket.
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If the valve malfunctions, replace it immediately.
5. Insulate Hot Water Pipes
Adding insulation to hot water pipes reduces heat loss, improves efficiency, and speeds up hot water delivery. Use foam insulation sleeves to cover exposed pipes.
6. Inspect and Replace the Anode Rod
The anode rod prevents tank corrosion by attracting minerals. Inspect it annually by:
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Turning off the power.
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Using a wrench to remove the rod from the top of the water heater.
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If it’s corroded or less than ½ inch thick, replace it.
7. Adjust the Temperature
Set your water heater’s thermostat to 120°F (49°C) for safety and energy efficiency. This prevents scalding while reducing energy consumption.
8. Inspect the Flue (Gas Water Heaters)
For gas water heaters, check the flue for blockages or damage. Proper venting prevents dangerous gas buildup, including carbon monoxide leaks.
9. Check for Gas Leaks (Gas Water Heaters)
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Inspect gas connections for leaks using a soap and water mixture—if bubbles appear, there’s a leak.
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If you detect a gas leak, turn off the gas supply, open windows, and call a professional immediately.
10. Schedule Professional Maintenance
While homeowners can perform routine checks, scheduling professional maintenance ensures a thorough inspection. A technician can identify potential problems before they lead to costly repairs.
Keep Your Water Heater in Top Shape!
Regular maintenance helps your water heater operate efficiently, last longer, and provide a reliable hot water supply. By following this checklist, you can reduce energy consumption, prevent breakdowns, and extend the life of your appliance.
If you need expert assistance, Pomona Valley Plumbing Heating & Air Conditioning is here to help! Contact us today for professional maintenance, repairs, or installation services.