Common Water Heater Issues and When to Call a Plumber
Understanding common water heater issues and knowing when to call a plumber can help prevent minor problems from becoming major repairs.
Water heaters are essential appliances in homes and businesses, providing hot water for daily activities. However, like any other appliance, they can have problems that affect their performance and efficiency. Understanding common water heater issues and knowing when to call a plumber can help prevent minor problems from becoming major repairs.
Inconsistent Water Temperature
One of the most common issues with water heaters is inconsistent water temperature. This problem can manifest as water that is too hot, too cold, or fluctuating between the two. Several components can cause this issue, including a faulty thermostat, debris buildup in the tank, or problems with the heating elements. A plumber can determine the exact cause and make the necessary repairs to restore consistent water temperature.
Low Hot Water Pressure
Low hot water pressure is another frequent complaint among homeowners. This issue can begin from various causes, including sediment buildup in the pipes, a faulty pressure relief valve, or problems with the water supply line. In some cases, the issue may be related to the water heater itself, mainly if the unit is old or improperly maintained. A professional plumber can assess the system, identify the main cause, and recommend appropriate solutions to improve water pressure.
Discolored or Rusty Water
Discolored or rusty water from the hot water tap is a sign of potential water heater issues. This problem often indicates corrosion inside the water heater tank or rusting pipes. If left unaddressed, the corrosion can lead to leaks and eventual tank failure. Calling a plumber when discolored water is noticed is pivotal, as prompt action can prevent further damage and the need for a costly replacement.
Unusual Noises from the Water Heater
Water heaters may produce unusual noises, such as popping, rumbling, or hissing sounds, which can indicate underlying problems. These noises are often started by sediment buildup at the bottom of the tank. As the sediment accumulates, it can trap water underneath, causing it to overheat and create popping or rumbling sounds. Flushing the tank can resolve this issue, but if the noises persist, a plumber may need to inspect the unit for other problems.
Leaks Around the Water Heater
Water heater leaks are a serious issue that requires immediate attention. They can occur for multiple reasons, including a damaged tank, loose connections, or a faulty pressure relief valve. Even small leaks can cause significant water damage if not addressed promptly. A plumber should be called to assess the situation, confirm the source of the leak, and complete the required repairs to prevent further damage.
Water Heater Not Producing Hot Water
A water heater that does not produce hot water indicates a problem. This issue could be due to a malfunctioning heating element, a broken thermostat, or a tripped circuit breaker. The concern may be related to the pilot light or gas supply in gas water heaters. Troubleshooting these issues can be complex, and it is often best to rely on a plumber to diagnose and repair the problem to restore hot water as quickly as possible.
Pilot Light Keeps Going Out
The pilot light is critical for gas water heaters, which ignite the burner to heat the water. If the pilot light keeps going out, it can keep the water heater from functioning properly. A faulty thermocouple, a blocked vent, or a problem with the gas supply may cause this issue. A plumber can safely assess the situation, relight the pilot light, and repair it to prevent it from going out again.
Water Heater Is Old and Inefficient
Water heaters can become less effective and more prone to breakdowns as they age. Older units may struggle to maintain consistent water temperature, consume more energy, and require frequent repairs. If a water heater is nearing the end of its lifespan (typically 10-15 years), substituting it with a new, energy-efficient model may be more cost-effective. A plumber can help determine if it is time for a replacement and assist with selecting and installing a new unit.
Water Heater Smells Like Rotten Eggs
A foul odor, often smelling like rotten eggs, can indicate bacteria growing inside the water heater tank. This is typically caused by sulfate-reducing bacteria that thrive in warm, stagnant water, particularly in tanks that are not used frequently. The bacteria react with the anode rod in the tank, producing hydrogen sulfide gas, which causes an unpleasant smell. A plumber can flush the tank and replace the anode rod to eliminate the odor and prevent it from returning.
Recognizing these common water heater issues and knowing when to call a plumber can help maintain the unit's efficiency and longevity. Routine maintenance, flushing the tank, and checking the anode rod can prevent many of these problems from occurring. However, when issues arise, it is vital to seek the specialty of a professional plumber to address the problem promptly and effectively.
Simba Plumbing offers residential and commercial plumbing services to Phoenix and surrounding areas. We are family-owned, meticulous and provide affordable, transparent pricing. Call us at 602-962-3537.
