+1 (760) 402-0790

Call Today

Plumbing Services for all of

North County San Diego

Facebook-f Twitter Github Bitbucket

Top 5 common water heater issues

Here are the based on typical homeowner experiences:

No Hot Water

  • Cause: This could be due to a failed heating element (in electric models), a malfunctioning thermostat, or a pilot light/gas supply issue (in gas models). Power supply problems or sediment buildup can also prevent heating.
  • Fix: Check the power source, reset the thermostat, relight the pilot, or flush the tank if sediment is suspected.

Leaking Water Heater

  • Cause: Leaks often stem from corrosion in the tank, loose connections, a faulty pressure relief valve, or cracks due to age.
  • Fix: Tighten connections, replace the valve, or, if the tank is corroded, consider replacement (repairs are rarely viable for tank breaches).

Not Enough Hot Water

  • Cause: This might happen if the tank is too small for demand, the thermostat is set too low, or a heating element is failing. Sediment buildup can also reduce capacity.
  • Fix: Adjust the thermostat, flush the tank, or upgrade to a larger unit if undersized.

Strange Noises (Popping, Rumbling)

  • Cause: Sediment or mineral buildup at the bottom of the tank heats up and causes bubbling or popping sounds.
  • Fix: Flush the tank to remove sediment. Regular maintenance can prevent this.

Discolored or Smelly Water

  • Cause: Rusty or brown water indicates corrosion inside the tank or pipes. A sulfur-like smell often points to bacteria reacting with the anode rod.
  • Fix: Replace the anode rod, flush the tank, or, if rust is widespread, replace the unit.

These issues apply to traditional tank-style water heaters (electric or gas), which are the most common. Tankless models might face different problems, like scale buildup or flow sensor issues, but they’re less prevalent. If you have a specific type of water heater in mind, let me know, and I can tailor the list further!

HOURS

  • Mon-Fri: 7am-7pm
  • Saturday: 9am - 4pm
  • Sunday: 10am - 4pm

SERVICES

Privacy Policy | Terms and Conditions

© 2025 All Rights Reserved