Hot Water Heater Leaking? (6 Key Steps To Take) (2024)

• Hassan Ayoub
• May 10, 2024

A leaking hot water heater can be more than just a minor inconvenience; it can lead to significant water damage, high repair costs, and even complete system failure. Whether it’s a small drip or a major flood, addressing a hot water heater leak promptly is crucial. Here, we outline the steps you should take if you discover your hot water heater leaking, ensuring your home stays safe and dry, including:

• Understanding the basics
• 6 step guide to addressing a leaking hot water heater
• Preventative measures to avoid future leaks
• When to call a professional

🤔 Understanding the Basics

First, it’s essential to understand the potential causes of a hot water heater leak. Common issues include:

• Loose Connections: Fittings and pipes can become loose over time, causing leaks.
• Faulty Temperature and Pressure Relief Valve (T&P Valve): This safety valve can malfunction, leading to leaks.
• Corroded Tank: Over time, the tank can corrode, especially if it’s not maintained properly.
• Drain Valve Issues: The drain valve at the bottom of the tank might not be fully closed or could be faulty.
• Excess Pressure: Excessive pressure within the tank can force water out through leaks.

💡 6 Step Guide to Addressing a Leaking Hot Water Heater

Dealing with a leaking hot water heater can seem daunting, but with a clear action plan, you can tackle the problem efficiently. This step-by-step guide will walk you through the process, ensuring that you address the issue safely and effectively to minimize damage to your home.

1. Turn Off the Power Supply

Safety is paramount when dealing with water and electricity. Depending on your water heater type, you’ll need to:

• Electric Water Heater: Locate the circuit breaker for your water heater in your home’s electrical panel and switch it off.
• Gas Water Heater: Find the on/off dial on the water heater and turn it to the “off” position. If you smell gas, contact your gas utility immediately.

2. Shut Off the Water Supply

Prevent further water damage by shutting off the water supply to the heater. The shutoff valve is typically located on the cold water pipe entering the top of the heater. Turn it clockwise to close it. If your heater doesn’t have a dedicated shutoff valve, you may need to turn off the main water supply to your home.

3. Drain the Tank

To inspect and repair your water heater, you’ll need to drain the tank. Follow these steps:

• Attach a garden hose to the drain valve at the bottom of the tank.
• Place the other end of the hose in a suitable drainage area (a floor drain or outside).
• Open the drain valve and allow the tank to empty completely. Be cautious, as the water will be hot.

4. Identify the Source of the Leak

With the tank drained, you can now inspect the water heater to identify the source of the leak:

• Top of the Tank: Check for loose pipe fittings or connections. Tighten them if necessary.
• T&P Valve: Inspect the valve for leaks. If it’s faulty, it may need to be replaced.
• Drain Valve: Ensure the valve is fully closed and check for leaks. Replace if damaged.
• Tank Itself: Look for signs of corrosion or cracks. If the tank is leaking, it will likely need to be replaced.

5. Repair or Replace Components

Depending on where the leak is coming from, you may need to repair or replace certain components:

• Loose Connections: Tighten any loose fittings with a wrench.
• T&P Valve: If the valve is leaking, you can replace it by unscrewing the old valve and installing a new one. Make sure the replacement is compatible with your water heater model.
• Drain Valve: If the drain valve is faulty, replace it by unscrewing the old valve and installing a new one. Use Teflon tape on the threads to ensure a tight seal.
• Anode Rod: If corrosion is an issue, check the anode rod inside the tank. Replacing a depleted anode rod can extend the life of your water heater.
• Tank Replacement: If the tank itself is leaking due to corrosion or a crack, you’ll need to replace the entire unit. Consult a professional plumber for this task, as it involves significant work and expertise.

6. Refill and Test the System

Once repairs are completed, it’s time to refill and test your water heater:

• Close the drain valve.
• Remove the garden hose.
• Open the cold water supply valve to refill the tank. Open a hot water faucet in your home to allow air to escape and prevent airlocks.
• When the tank is full, turn the power or gas supply back on.
• Monitor the water heater for any further leaks or issues.

💧 Preventive Measures to Avoid Future Leaks

To extend the life of your hot water heater and prevent future leaks, consider the following maintenance tips:

• Regular Inspections: Periodically check the water heater and its components for signs of wear and tear.
• Flush the Tank Annually: Sediment buildup can cause corrosion and reduce efficiency. Flushing the tank annually removes these deposits.
• Check the Anode Rod: Inspect the anode rod every couple of years and replace it if it’s significantly corroded.
• Maintain Optimal Pressure: Ensure your home’s water pressure is within the recommended range (usually between 40-60 psi). High pressure can damage the water heater and plumbing system.
• Install a Water Softener: If you have hard water, consider installing a water softener to reduce mineral buildup inside the tank.
• Insulate the Tank and Pipes: Insulating helps maintain water temperature and reduces the workload on the heater, extending its life.

👨‍🔧 When to Call a Professional

While many water heater leaks can be fixed with basic DIY skills, some situations require professional help:

• Extensive Corrosion or Damage: If the tank or multiple components are severely corroded or damaged, a professional assessment and replacement may be necessary.
• Gas Line Issues: If your gas water heater has issues with the gas line or burner, call a professional to avoid safety hazards.
• Persistent Leaks: If you’ve repaired the apparent source of the leak but the problem persists, a professional plumber can diagnose and fix hidden issues.
• New Installations: If you need to replace your water heater, a professional can ensure it’s installed correctly and safely.

🙌 Protect Your Home: Hot Water Heater Leak Solutions with AllPhase Roofing and Restoration

A leaking hot water heater can be a homeowner’s nightmare, but with prompt action and the expertise of our team at AllPhase Roofing and Restoration, you can mitigate damage and restore your system to working order. By entrusting us to handle your hot water heater leak, you ensure your home remains safe and comfortable.

Our skilled professionals are well-equipped to manage any issues and provide regular maintenance, key to preventing leaks and extending the life of your water heater. Staying proactive with AllPhase Roofing and Restoration means avoiding the hassle and expense of major repairs.

Don’t wait until it’s too late—contact AllPhase Roofing and Restoration today to ensure your hot water heater is functioning safely and efficiently. Let us be your trusted partner in home maintenance and restoration.