/Hurricane-Consequences

Water Heater Malfunctions After Storms: What to Check

Troubleshoot non-working water heater with expert tips. Learn common causes, simple fixes, and restore hot water fast.

Reviewed by Content Team

Head of Content, D. Gorenko

Updated June, 5

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How to Fix Non-working water heater

 
Immediate Steps to Take
 

  • Turn off the water heater’s power supply or gas valve immediately to prevent any further damage or risk of fire/explosion.
  • If your water heater is gas-powered, ensure that you detect any gas odor. If you smell gas, leave the area and contact your local emergency services right away.
  • Check the thermostat settings and temperature settings for any obvious misadjustments.
  • Examine the water heater’s circuit breaker or fuse box to see if a tripped breaker or blown fuse could be the cause.
  • Inspect for signs of water leakage around the unit which might indicate internal damage.

 
Tools and Materials Needed
 

  • Screwdrivers (flat-head and Phillips) for accessing control panels.
  • A multimeter to test for electrical continuity and correct voltage readings.
  • A wrench or adjustable pliers for loosening connections if necessary.
  • Replacement parts such as a new thermostat, heating element, or gas control valve if you’ve identified a faulty component.
  • A user manual for your specific water heater model to help locate components and follow manufacturer guidelines.

 
Can a Homeowner Fix It Yourself?
 

  • If you have basic handyman skills and understand electrical or gas safety, you might be able to troubleshoot and replace simple parts like a heating element or thermostat.
  • For more advanced issues such as persistent electrical failures, gas supply problems, or complex internal damage, it is best to call a professional to avoid the risk of injury or further damage.

 
Who to Call: The Relevant Professional
 

  • For gas-powered water heater issues, contact a licensed plumber who is experienced in handling gas lines and water heater repairs.
  • If your water heater is electric and you suspect electrical faults, an electrician can diagnose and fix the problem.
  • For comprehensive inspections and repairs, consider calling a full-service provider. For example, experienced companies serving St. Louis and Nashville can handle both residential and commercial water heater repairs efficiently.

 
Safety Warnings and Insurance Tips
 

  • Always disconnect the power or gas supply before beginning any repair work to avoid electrical shock or accidental ignition.
  • If you are unsure about any step, it is safer to seek professional help rather than risking personal injury.
  • Wear protective gear such as gloves and safety glasses during any repair or inspection.
  • Check with your homeowner’s insurance policy regarding coverage for water heater repairs or replacements, particularly if damage from leaks or other malfunctions has occurred.
  • Ensure that any professional you hire is adequately licensed and insured to protect both you and them in case of mishaps.

What Could be Causing Non-working water heater

 
Potential Causes for a Non-working Water Heater
 

Water heaters can stop working for many reasons. Below are some common causes written in simple words to help you understand the issue clearly. Sometimes, problems are due to small parts not working right, while other times the problem can be with the energy source or buildup inside the tank. In areas like St. Louis and Nashville, water heater issues can be more common with older units or due to harsh water conditions.

 
Electrical or Gas Supply Problems
 

  • Power loss: A tripped circuit breaker or blown fuse can cut power to an electric water heater.
  • Gas supply issues: For gas heaters, a problem with the gas line or supply can prevent the unit from igniting.
  • Faulty ignition system: An improper electronic ignition or pilot light failure stops combustion needed for heating water.

 
Thermostat and Electrical Component Failures
 

  • Faulty thermostat: A broken thermostat can stop the heater from knowing when to heat the water.
  • Wiring issues: Loose or damaged connections can lead to a non-working unit as they affect the signal to critical components.
  • Control board malfunctions: Electronic controls may fail and not send the correct signals to power the burner or heating element.

 
Internal Component Wear and Sediment Build-up
 

  • Worn-out heating element: In electric models, a damaged element means water does not get hot.
  • Corrosion inside the tank: Over time, rust and sediment may damage the tank’s lining, affecting heating performance.
  • Sediment accumulation: Minerals accumulating at the bottom can cover the heating element and prevent proper heat transfer.

 
Physical Damage and Leaks
 

  • Leakage: Water leaking from the unit can cause it to shut down or lead to safety mechanisms stopping the heater.
  • Internal damage: Deterioration of internal connections and seals can interfere with the operation of the device.
  • Age and wear: Old units may simply have too many worn-out parts, which leads to overall failure.

 
Environmental Factors
 

  • Extreme water temperatures: Too cold or too hot water coming into the tank can affect the system’s performance.
  • Pressure issues: High or fluctuating pressure levels in the water line might lead to stress on the water heater, affecting its functionality.
  • Lack of regular maintenance: Without regular upkeep, minor issues can worsen over time, leading to a complete shutdown.

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