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4.4 stars | 276 reviews

No Hot Water? Here’s What to Do When Your Water Heater Fails

November 3, 2025
Davis & Sons Plumbing|Powder Springs, GA 30127|(770) 943-8170

What should you do when your water heater suddenly stops working? First, recognize signs of water heater failure like no hot water or inconsistent heating. Check the pilot light; if it’s out, relight it following safety guidelines.

A thermostat malfunction often leads to temperature issues—inspect settings and reset if possible. For electric units, test the heating element because a faulty element can prevent heating. Sediment buildup inside the tank impedes efficiency and may cause damage; flushing the tank can remove deposits and restore performance. For more maintenance advice, see how to keep your water heater running efficiently year-round .

If these basic steps don’t resolve the problem, avoid risking further damage or safety hazards. Instead, engage professional help to accurately diagnose and repair complex issues, ensuring reliable hot water service for those you serve.

No Hot Water? Here’s What to Do

Wondering why your water heater isn’t producing any hot water? First, perform a multimeter water heater test to diagnose electric water heater issues or check the pilot light on a gas water heater. If you suspect sediment buildup, flush water heater tank to improve efficiency—especially in hard water areas where anode rod maintenance and water softener installation prevent corrosion. Locate and use the emergency shut-off valve if leaks occur. For urgent issues, contact Davis & Sons Plumbing , a certified plumbing technician and 24/7 plumber in Powder Springs for water heater repair or replacement.

EmotionSolution
FrustrationCall emergency plumbing service
AnxietyUse pressure relief valve to prevent damage
ReliefSchedule water heater flush
ConfidenceTrust Davis & Sons Plumbing experts

Quick Checks

Start by confirming your water heater has power or gas supply; a tripped breaker or pilot light outage is common.

Next, check the thermostat settings to guarantee they’re correct and functioning.

Finally, inspect for leaks that could indicate a bigger issue needing prompt attention.

Power/gas

How can you quickly rule out common power or gas issues when your water heater stops working? Start by checking the circuit breaker or fuse for power interruptions. For gas models, verify the pilot light is lit and the gas valve is open. These quick checks help you identify if the problem lies in the energy supply before calling a professional.

Sediment

Sediment accumulation results from minerals like calcium and magnesium settling at the bottom of your water heater tank. This buildup creates a barrier that reduces heat transfer efficiency, causing your water heater to work harder and increasing energy costs.

If you live in an area with hard water, like Powder Springs, GA, sediment-related issues are common. Learn more about preventive plumbing care in our guide to spring plumbing tips to avoid costly repairs .

Call a Plumber

If your water heater shows no signs of fixing after basic checks, it’s time to call a plumber.

Leaks often require professional assessment to prevent water damage. Additionally, if your unit is old, a plumber can advise whether repair or replacement is the best option.

For fast, reliable service, contact Davis & Sons Plumbing to schedule professional water heater service. You can also learn more about our locally owned plumbing company or view our recent plumbing projects .

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Serving the Austell, Clarkdale, Mableton, Marietta, Lithia Springs, Powder Springs, Smyrna, Atlanta, Hiram, Douglasville, Kennesaw, Dallas, Acworth, Red Oak, Winston, Fairburn, Union City, Villa Rica, Decatur, & Roswell areas.

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