You are currently viewing What to Do When Your Storage Water Heater Leaks: Quick Guide

What to Do When Your Storage Water Heater Leaks: Quick Guide

  • Post author:
  • Post last modified:August 27, 2023

Welcome to my quick guide on what to do when your storage water heater starts to leak. Dealing with a leaking water heater can be stressful, but by taking the right steps, you can minimize the damage and get your hot water supply back on track. In this article, I will walk you through the signs to look out for, safety precautions to take, temporary solutions to minimize damage, repair options, and when to consider a replacement.

Key Takeaways:

  • Water heater leaks can cause significant damage and potential hazards if not addressed promptly.
  • Important safety precautions include shutting off power and water supply before attempting any repairs.
  • Temporary solutions, such as using a bucket to collect dripping water, can minimize damage until repairs can be made.
  • Depending on the severity of the leak, it may be necessary to hire a professional plumber or consider a replacement.
  • Regular maintenance can prevent water heater leaks and extend the lifespan of the unit.

Understanding the Signs of a Water Heater Leak

Water heater leaks can cause extensive damage to your home and pose a safety hazard if not addressed promptly. To prevent this, it’s important to be able to identify the signs that your water heater is leaking. Here are some common indications to look out for:

  • Water puddles around the unit. If you notice water gathering near the base of your water heater, this is a clear sign that something is leaking.
  • Discolored water. If the water coming out of your faucet is brown or rust-colored, this may be a sign that your water heater is rusting and potentially leaking.
  • Fluctuating hot water temperature. If you notice that your hot water is hotter or cooler than usual, this may be a sign that your water heater is leaking and needs attention.

It’s important to note that leaks can occur from either the top or bottom of the tank. If you notice any of these signs, it’s important to investigate the cause and take action as soon as possible to prevent further damage.

water heater leaking from bottom

Safety Precautions Before Addressing the Leak

Before addressing the leak in your water heater, it’s essential to take necessary safety precautions. Failure to do so could result in damage to the unit or injury to yourself.

The first step is to shut off the power supply to the water heater at the circuit breaker. If you have a gas water heater, turn the gas control valve to the “off” position. To prevent scalding, turn off the water supply to the tank and let it cool down before attempting any repair.

If the water heater is located in a confined space with limited ventilation, open windows and doors to let fresh air circulate. Avoid using any open flames, such as matches or lighters, in the area.

Wear protective clothing, such as gloves and safety goggles, when handling the water heater or any repair tools. Be mindful of the water temperature when draining the tank to prevent burns.

By following these safety precautions, you can minimize the risk of injury and ensure a safer repair process. Now that you have taken the necessary safety measures, let’s move on to identifying the source of the leak.

Identifying the Source of the Leak

When dealing with a leaking water heater, it’s crucial to determine the source of the problem to properly address it. Here are some steps for troubleshooting:

  1. Check the bottom of the tank: If the water is pooling at the bottom of the tank, it may be due to a leak in the tank itself. Unfortunately, this can be a sign of significant damage and may require a full replacement of the unit.
  2. Inspect the temperature and pressure relief valve: The T&P valve is an important safety feature of the water heater. If it’s leaking, it may need to be replaced. However, it’s important to note that any repairs or replacements of this valve must be performed by a licensed plumber.
  3. Examine the plumbing connections: Leaks in the plumbing connections may require a simple tightening or replacement of the connection. It’s important to turn off the water supply to the unit before attempting any repairs.
  4. Check the inlet and outlet connections: These connections can become loose over time and cause leaks. Tightening them may solve the problem.

It’s important to keep in mind that attempting to repair a leaking water heater without proper experience and knowledge can be dangerous and may cause further damage. If you’re unsure about the source of the leak or how to repair it, it’s best to call a licensed professional to assist you.

water heater troubleshooting

Temporary Solutions to Minimize Damage

If you have identified a leak from your storage water heater and are waiting for a professional plumber or tackling the repair yourself, there are temporary solutions you can use to minimize damage.

Option 1: Place a bucket or container under the leak to collect the dripping water. Be sure to check and empty the container regularly, especially if you’re away from home for an extended period.

Option 2: If you’ve determined the leak comes from a specific valve, such as the temperature and pressure relief valve (T&P), you may be able to temporarily stop the leak by closing the valve. Be sure to only do this as a temporary solution until a professional can address the issue.

water heater troubleshooting

Remember, these are temporary solutions and won’t fix the underlying issue causing the leak. It’s important to address the leak promptly to avoid further damage to your water heater and potential hazards in your home. If you’re unsure how to proceed, contact a professional plumber for expert advice.

Hiring a Professional or DIY Repair?

When dealing with a leaking water heater, you may wonder whether to hire a professional plumber or attempt a DIY repair. While fixing a leaking water heater may seem like a simple task, it can be dangerous and requires specific knowledge and skills. As a professional copywriting journalist, I recommend considering the following pros and cons before making a decision:

Professional Repair DIY Repair
Pros: Pros:
  • Professional plumbers have the necessary experience, tools, and safety equipment to diagnose and repair leaks quickly and effectively.
  • Professional repairs come with warranties, ensuring peace of mind and protection against future leaks.
  • Some water heater manufacturers require professional repair to maintain the warranty.
  • DIY repair can be a cost-effective solution if you have the necessary knowledge and skills.
  • DIY repair can be done on your own schedule, without having to wait for a professional appointment.
  • DIY repair can be a learning experience, empowering you to tackle future water heater issues.
Cons: Cons:
  • Professional repair can be costly, especially if the problem requires extensive repairs or replacement.
  • Professional repair may require time and scheduling to coordinate with the plumber’s availability.
  • Professional repair may involve shutting off water and power to your home, causing inconvenience and potential disruption.
  • DIY repair can be dangerous if the proper safety precautions are not taken, resulting in injury or property damage.
  • DIY repair can further damage the water heater or cause more extensive leaks if done incorrectly.
  • DIY repair may void the manufacturer’s warranty, resulting in costly repairs or replacement down the road.

Ultimately, the decision to hire a professional or attempt a DIY repair depends on your level of experience, comfort with DIY projects, and the severity and complexity of the water heater leak. It’s essential to prioritize safety and take the necessary precautions before attempting any repairs. However, if you’re unsure or inexperienced, I always advise consulting a professional plumber to avoid potential hazards and costly mistakes.

Importance of Regular Water Heater Maintenance

Regardless of whether you choose professional or DIY repair, regular water heater maintenance is crucial in preventing leaks and extending the lifespan of your unit. Routine maintenance tasks such as draining the tank, replacing anode rods, and checking valves and connections can detect potential issues before they become major problems. Additionally, regular maintenance can improve the efficiency of your water heater and reduce energy bills.

As a professional copywriting journalist, I encourage homeowners to schedule yearly maintenance checks with a licensed plumber to ensure optimal performance and safety of their water heater. By taking a proactive approach to water heater maintenance, you can prevent leaks and extend the lifespan of your unit, saving you time and money in the long run.

What to Do When Your Storage Water Heater Leaks

Steps to Repair a Leaking Water Heater

If you’ve determined that your water heater is leaking, and you feel confident in your abilities to make the repair, here’s what you need to do:

  1. Shut off power and water supply: Before attempting any repairs, make sure to shut off power to the unit via the circuit breaker and turn off the water supply valve leading to the water heater.
  2. Locate the leak: Once power and water have been turned off, inspect the unit and determine where the leak is coming from. If the leak is from the bottom of the tank, it’s likely due to corrosion and the tank may need to be replaced. If the leak is coming from a plumbing connection, it may just need to be tightened.
  3. Replace faulty valves or components: If the leak is coming from a faulty valve or component, such as the pressure relief valve or the drain valve, it’s important to replace it as soon as possible. This can usually be done easily with a wrench or pliers.
  4. Tighten leaks: If the leak is coming from a plumbing connection, try tightening it with a wrench. Be careful not to overtighten, as this can cause further damage.
  5. Drain and flush the tank: If the leak is due to sediment buildup, draining and flushing the tank can help alleviate the issue. To do this, turn off the water supply valve and attach a hose to the drain valve at the bottom of the tank. Open the valve and let the tank drain completely. Then, turn on the water supply valve and let the tank fill up. Finally, turn the power back on to the unit.

If you’re unsure about any of these steps or don’t feel comfortable making the repair yourself, it’s always best to call in a professional plumber. Attempting a repair without proper knowledge and experience can result in further damage or injury.

water heater repair

When to Consider Water Heater Replacement

While repairing a leaking water heater may seem like the most cost-effective solution, there comes a time when replacing the unit is the better choice. Here are some signs that indicate it’s time for a water heater replacement:

  • The water heater is over 10 years old and requires frequent repairs
  • There are visible signs of rust or corrosion on the tank
  • The unit is leaking from multiple sources and the cost of repairs is adding up
  • The hot water supply is inconsistent or takes longer to heat up than usual

Replacing a water heater may seem like a daunting and expensive task, but it can save you money in the long run by reducing energy costs and eliminating the need for frequent repairs. Regular maintenance, such as flushing the tank and checking the anode rod, can also extend the lifespan of your water heater.

water heater replacement

When it’s time to replace your water heater, consider opting for an energy-efficient model that meets your household’s hot water demands. A professional plumber can help you determine the appropriate size and type of water heater for your home and provide expert installation. Don’t hesitate to invest in a new water heater if your current unit is showing signs of wear and tear. It will save you money and provide peace of mind in the long run.

Preventing Water Heater Leaks Through Maintenance

Regular water heater maintenance is crucial for preventing leaks and extending the lifespan of your unit. Here are some maintenance tips to follow:

  • Inspect regularly: Check your water heater for any signs of wear and tear, such as rust or corrosion, and replace any faulty components immediately.
  • Flush the tank: Sediment buildup in the tank can cause leaks and reduce efficiency. Flush the tank every six months to remove any sediment.
  • Check and replace anode rods: Anode rods attract corrosive elements in your water heater, which can cause leaks and damage. Check the anode rods every year and replace them if needed.
  • Maintain proper water pressure: High water pressure can damage your water heater and cause leaks. Make sure your water pressure does not exceed 80 psi.

If you notice any issues during your inspection or maintenance, be sure to address them promptly. By following these simple steps, you can prevent water heater leaks and ensure your unit stays in good working condition for years to come.

water heater maintenance


In summary, a water heater leak can cause significant damage to your home if left unaddressed. It is crucial to identify the source of the leak and take appropriate steps to repair or replace the unit. Regular maintenance and inspections can help prevent leaks and prolong the lifespan of your water heater.

If you notice any signs of a water heater leak, such as dampness or discoloration around the unit, fluctuations in hot water temperature, or strange noises, take immediate action. Shut off power and water supply to the unit, and follow the steps outlined in this guide to identify and address the leak.

When it comes to repairing a water heater, you can either opt for a DIY approach or hire a professional plumber. Keep in mind that attempting a DIY repair without proper knowledge and tools can be dangerous and may result in further damage. If you are not confident in your abilities, it is best to leave it to the experts.

Regular maintenance, including flushing the tank, replacing faulty components, and checking water pressure, can help prevent leaks and extend the lifespan of your water heater. Don’t overlook the importance of proper maintenance to avoid costly repairs and replacements down the line.

Remember, a leaking water heater is not something to ignore. By taking prompt action and following the guidelines outlined in this guide, you can address the issue quickly and prevent further damage to your home.

Leave a Reply