Water Heater Elements: Replace Or Repair? Know The Signs

Water heaters are essential appliances in our homes, providing us with a steady supply of hot water for showers, baths, and other tasks. However, like any appliance, water heaters can experience problems over time, including faulty heating elements. If your water heater is not heating water efficiently, you may wonder if the heating elements can be replaced. The answer is yes, in most cases, water heater elements can be replaced. This guide will provide you with step-by-step instructions on how to determine if your water heater element needs replacing and how to replace it safely and effectively.

Signs of a Faulty Water Heater Element

• Lack of hot water: If your water heater is not producing any hot water, it could be a sign of a faulty heating element.
• Fluctuating water temperature: If the water temperature fluctuates between hot and cold, it may indicate a problem with the heating element.
• Unusual noises: If you hear unusual noises coming from your water heater, such as banging or hissing, it could be a sign of a faulty element.
• High energy bills: If your energy bills have suddenly increased, it could be due to a faulty heating element that is constantly working to heat the water.

How to Test a Water Heater Element

Before replacing a water heater element, it is important to test it to confirm that it is faulty. Here’s how:

1. Turn off the power: Turn off the circuit breaker or fuse that supplies power to the water heater.
2. Turn off the water supply: Close the cold water inlet valve at the top of the water heater.
3. Drain the water: Open a hot water faucet to drain the water from the tank.
4. Remove the access panel: Locate the access panel on the front or side of the water heater and remove it.
5. Disconnect the wires: Disconnect the wires from the heating element.
6. Use a multimeter: Set a multimeter to the ohms setting and touch the probes to the terminals of the heating element. A reading of infinity indicates a faulty element.

How to Replace a Water Heater Element

If the heating element is faulty, you can replace it by following these steps:

1. Gather tools: You will need a new heating element, a socket wrench, an adjustable wrench, and a multimeter.
2. Drain the tank: Follow the steps outlined in “How to Test a Water Heater Element” to drain the water from the tank.
3. Remove the old element: Use a socket wrench to loosen the bolts that secure the heating element to the tank. Pull the old element out of the tank.
4. Install the new element: Insert the new heating element into the tank and tighten the bolts.
5. Reconnect the wires: Reconnect the wires to the terminals of the new heating element.
6. Fill the tank: Turn on the cold water inlet valve and allow the tank to fill.
7. Turn on the power: Turn on the circuit breaker or fuse that supplies power to the water heater.
8. Test the water: Open a hot water faucet and check if the water is hot.

Safety Precautions

• Always turn off the power and water supply before working on the water heater.
• Use caution when handling hot water and electrical components.
• If you are not comfortable replacing the heating element yourself, contact a qualified electrician or plumber.

Types of Water Heater Elements

There are two main types of water heater elements:

• Screw-in elements: These elements are screwed into the tank and are easy to replace.
• Flange-mounted elements: These elements are bolted to a flange on the tank and require more effort to replace.

Cost of Replacing a Water Heater Element

The cost of replacing a water heater element varies depending on the type of element and the labor involved. In general, you can expect to pay between $50 to $200 for a new element and $100 to $300 for labor.

Benefits of Replacing a Water Heater Element

• Restores hot water supply
• Reduces energy bills
• Extends the life of the water heater

Key Points

Replacing a water heater element is a relatively straightforward task that can be completed in a few hours. By following the steps outlined in this guide and taking the necessary safety precautions, you can save money and ensure that your water heater is functioning properly.

Popular Questions

Q: How often should I replace my water heater element?
A: Water heater elements typically last for 5 to 10 years. However, the lifespan can vary depending on factors such as water quality and usage patterns.

Q: Can I replace a water heater element myself?
A: Yes, you can replace a water heater element yourself if you are comfortable working with electrical components and have basic plumbing skills.

Q: What is the best way to prevent water heater element failure?
A: The best way to prevent water heater element failure is to use the water heater regularly and flush it annually to remove sediment buildup.