Skip to Content
Nearby Plumbing Nearby Plumbing
Call Us 24/7 - We Arrive in 6 Hours or Less! 385-308-5384
Top

Signs Your Water Heater Needs Repair (Before It’s Too Late!)

Water Heater

Signs Your Water Heater Needs Repair (Before It’s Too Late!)

Your water heater is one of the most essential appliances in your home—but when it starts acting up, you might not notice right away. Ignoring small issues can lead to expensive repairs or even a full water heater replacement. Here are seven warning signs that your water heater might be failing and needs professional repair.

1. Inconsistent Water Temperature

Does your shower go from warm to cold in seconds? If your water temperature fluctuates unexpectedly, your water heater might have a failing thermostat, a broken heating element, or sediment buildup preventing proper heating. This issue is especially common in older water heaters, where internal components start to degrade over time.

How This Affects You:

  • Showering or washing dishes becomes frustrating due to unpredictable water temperatures.
  • The heating element works harder, leading to higher energy bills.
  • Possible scalding if the water suddenly gets too hot.

2. Water Takes Too Long to Heat

If your water is taking much longer than usual to get hot, this could indicate a problem with your heating elements, burner, or gas supply. Over time, mineral deposits from hard water can accumulate around the heating element or burner, making it harder for your water heater to function efficiently. In some cases, a professional cleaning or flush can restore proper performance. If the issue persists, component replacement may be necessary.

Why This Happens:

  • Electric Water Heaters: A failing heating element or faulty thermostat may be causing the delay.
  • Gas Water Heaters: A dirty or clogged burner may not be producing enough heat.
  • Sediment Buildup: Minerals settle at the bottom of the tank, creating a barrier between the burner and the water.

3. Strange Noises Coming from the Tank

Hearing banging, rumbling, or popping sounds? This is usually caused by sediment buildup at the bottom of the tank. As water is heated, minerals separate and settle at the bottom, forming a layer of sediment. This insulation forces the burner to work harder to heat the water, causing loud noises. Left unchecked, this can lead to overheating, damage to the tank, and eventual failure of the water heater.

How to Prevent This:

  • Schedule an annual water heater flush to remove sediment.
  • Consider installing a water softener to reduce mineral buildup.
  • If noises persist, consult a professional to determine if parts need replacement.

4. Rusty or Discolored Water

If your hot water looks rusty or dirty, your water heater tank could be corroding from the inside. This is often a sign that the anode rod needs to be replaced to prevent a full tank failure. The anode rod attracts corrosion and prevents it from damaging the tank. If it becomes too worn out, rust begins forming inside the tank, leading to discolored water and potential leaks.

What This Means:

  • Rusty water indicates your water heater is deteriorating inside.
  • Brownish or dirty water might mean excessive sediment buildup.
  • If cold water is clear but hot water is rusty, your heater is the problem.

5. Water Leaks Around the Heater

Water pooling around the base of your water heater is never a good sign. Small leaks can quickly turn into major floods. Leaks could be due to a broken temperature-pressure relief valve, a cracked tank, or loose connections. If left unchecked, a leaking water heater could result in extensive water damage to your home. While some minor leaks can be repaired, a severely corroded or cracked tank typically requires replacement.

Why You Should Act Fast:

  • Small leaks worsen over time and can cause structural damage to floors and walls.
  • Water exposure may lead to mold growth, which can affect indoor air quality.
  • If the leak is from the pressure relief valve, it could indicate dangerously high pressure inside the tank.

6. Frequent Pilot Light or Ignition Issues

Gas water heaters rely on a pilot light or electronic ignition system to heat water. If your pilot light keeps going out, there could be an issue with the thermocouple, gas supply, or burner assembly. A faulty thermocouple can prevent the gas valve from staying open, cutting off fuel to the pilot light. If you're experiencing repeated ignition failures, it's best to have a professional assess the situation to determine if repair or replacement is needed.

Common Causes:

  • A dirty or clogged pilot orifice could be preventing proper ignition.
  • The thermocouple might be loose or malfunctioning.
  • A draft or airflow issue could be blowing out the pilot light.

7. Your Water Heater Is Over 10 Years Old

Water heaters typically last 8-12 years. If yours is approaching or exceeding that age and showing signs of inefficiency, it may be time for a replacement or significant repairs. An aging water heater is more likely to experience sediment buildup, rusting, leaks, and heating inefficiencies. Replacing an old, failing water heater with a new, energy-efficient model can save you money on your utility bills and prevent unexpected breakdowns.

How to Check the Age of Your Water Heater:

  • Look for a serial number on the manufacturer’s label.
  • The first two numbers usually represent the year it was made (e.g., 14XXXXXX = 2014).
  • If your heater is over 10 years old, consider a professional inspection to determine its remaining lifespan.

Don’t Wait for a Total Breakdown!

If you notice any of these warning signs, Nearby Plumbing can help! We provide fast, reliable water heater repairs in Midvale & West Jordan, Utah. Call us today at 385-308-5384 before small problems turn into costly disasters!